lisp/calendar/cal-tex.el

   1 ;;; cal-tex.el --- calendar functions for printing calendars with LaTeX.
   2
   3 ;; Copyright (C) 1995 Free Software Foundation, Inc.
   4
   5 ;; Author: Steve Fisk <fisk@bowdoin.edu>
   6 ;;      Edward M. Reingold <reingold@cs.uiuc.edu>
   7 ;; Keywords: calendar
   8 ;; Human-Keywords: Calendar, LaTeX
   9
  10 ;; This file is part of GNU Emacs.
  11
  12 ;; GNU Emacs is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 2, or (at your option)
  15 ;; any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  26
  27 ;;; Commentary:
  28
  29 ;; This collection of functions implements the creation of LaTeX calendars
  30 ;; based on the user's holiday choices and diary file.
  31
  32 ;; TO DO
  33 ;;
  34 ;;     (*)  Add holidays and diary entries to daily calendar.
  35 ;;
  36 ;;     (*)  Add diary entries to weekly calendar functions.
  37 ;;
  38 ;;     (*)  Make calendar styles for A4 paper.
  39 ;;
  40 ;;     (*)  Make daily and monthly styles Filofax paper.
  41
  42 ;;; Code:
  43
  44 (require 'calendar)
  45
  46 (autoload 'list-diary-entries "diary-lib" nil t)
  47 (autoload 'calendar-holiday-list "holidays" nil t)
  48 (autoload 'calendar-iso-from-absolute "cal-iso" nil t)
  49
  50 ;;;
  51 ;;; Customizable variables
  52 ;;;
  53
  54 (defcustom cal-tex-which-days '(0 1 2 3 4 5 6)
  55   "*The days of the week that are displayed on the portrait monthly calendar.
  56 Sunday is 0, Monday is 1, and so on.  The default is to print from Sunday to
  57 Saturday.  For example, use
  58
  59                     (setq cal-tex-which-days '(1 3 5))
  60
  61 to only print Monday, Wednesday, Friday."
  62   :type '(repeat integer)
  63   :group 'calendar-tex)
  64
  65 (defcustom cal-tex-holidays t
  66   "*If t (default), then the holidays are also printed.
  67 If finding the holidays is too slow, set this to nil."
  68   :type 'boolean
  69   :group 'calendar-tex)
  70
  71 (defcustom cal-tex-diary nil
  72   "*If t, the diary entries are printed in the calendar."
  73   :type 'boolean
  74   :group 'calendar-tex)
  75
  76 (defcustom cal-tex-daily-string
  77   '(let* ((year (extract-calendar-year date))
  78           (day  (calendar-day-number date))
  79           (days-remaining (- (calendar-day-number (list 12 31 year)) day)))
  80      (format "%d/%d" day  days-remaining))
  81   "*An expression in the variable `date' whose value is placed on date.
  82 The string resulting from evaluating this expression is placed at the bottom
  83 center of `date' on the monthly calendar, next to the date in the weekly
  84 calendars, and in the top center of daily calendars.
  85
  86 Default is ordinal day number of the year and the number of days remaining.
  87 As an example of what you do, setting this to
  88
  89     '(progn
  90        (require 'cal-hebrew)
  91        (calendar-hebrew-date-string date))
  92
  93 will put the Hebrew date at the bottom of each day."
  94   :type 'sexp
  95   :group 'calendar-tex)
  96
  97 (defcustom cal-tex-buffer "calendar.tex"
  98   "*The name for the tex-ed calendar."
  99   :type 'string
 100   :group 'calendar-tex)
 101
 102 (defcustom cal-tex-24 nil
 103   "*If t, use a 24 hour clock in the daily calendar."
 104   :type 'boolean
 105   :group 'calendar-tex)
 106
 107 (defcustom cal-tex-daily-start 8
 108   "*The first hour of the daily calendar page."
 109   :type 'integer
 110   :group 'calendar-tex)
 111
 112 (defcustom cal-tex-daily-end 20
 113   "*The last hour of the daily calendar page."
 114   :type 'integer
 115   :group 'calendar-tex)
 116
 117 ;;;
 118 ;;; Definitions for LaTeX code
 119 ;;;
 120
 121 (defvar  cal-tex-day-prefix "\\caldate{%s}{%s}"
 122   "The initial LaTeX code for a day.
 123 The holidays, diary entries, bottom string, and the text follow.")
 124
 125 (defvar cal-tex-day-name-format "\\myday{%s}%%"
 126   "The format for LaTeX code for a day name.  The names are taken from
 127 calendar-day-name-array.")
 128
 129 (defvar cal-tex-cal-one-month
 130 "\\def\\calmonth#1#2%
 131 {\\begin{center}%
 132 \\Huge\\bf\\uppercase{#1} #2 \\\\[1cm]%
 133 \\end{center}}%
 134 \\vspace*{-1.5cm}%
 135 %
 136 "
 137   "LaTeX code for the month header")
 138
 139 (defvar cal-tex-cal-multi-month
 140 "\\def\\calmonth#1#2#3#4%
 141 {\\begin{center}%
 142 \\Huge\\bf #1 #2---#3 #4\\\\[1cm]%
 143 \\end{center}}%
 144 \\vspace*{-1.5cm}%
 145 %
 146 "
 147   "LaTeX code for the month header")
 148
 149 (defvar cal-tex-myday
 150 "\\renewcommand{\\myday}[1]%
 151 {\\makebox[\\cellwidth]{\\hfill\\large\\bf#1\\hfill}}
 152 %
 153 "
 154   "LaTeX code for a day heading")
 155
 156 (defvar cal-tex-caldate
 157 "\\fboxsep=0pt
 158 \\long\\def\\caldate#1#2#3#4#5#6{%
 159     \\fbox{\\hbox to\\cellwidth{%
 160      \\vbox to\\cellheight{%
 161        \\hbox to\\cellwidth{%
 162           {\\hspace*{1mm}\\Large \\bf \\strut #2}\\hspace{.05\\cellwidth}%
 163           \\raisebox{\\holidaymult\\cellheight}%
 164                    {\\parbox[t]{.75\\cellwidth}{\\tiny \\raggedright #4}}}
 165        \\hbox to\\cellwidth{%
 166            \\hspace*{1mm}\\parbox{.95\\cellwidth}{\\tiny \\raggedright #3}}
 167        \\hspace*{1mm}%
 168        \\hbox to\\cellwidth{#6}%
 169        \\vfill%
 170        \\hbox to\\cellwidth{\\hfill \\tiny #5 \\hfill}%
 171        \\vskip 1.4pt}%
 172      \\hskip -0.4pt}}}
 173 "
 174   "LaTeX code to insert one box with date info in calendar.
 175 This definition is the heart of the calendar!")
 176
 177 (defun cal-tex-list-holidays (d1 d2)
 178   "Generate a list of all holidays from absolute date D1 to D2."
 179   (let* ((result nil)
 180          (start (calendar-gregorian-from-absolute d1))
 181          (start-month (extract-calendar-month start))
 182          (start-year (extract-calendar-year start)))
 183     (increment-calendar-month start-month start-year 1)
 184     (let* ((end (calendar-gregorian-from-absolute d2))
 185            (end-month (extract-calendar-month end))
 186            (end-year (extract-calendar-year end)))
 187       (if (= (extract-calendar-day end) 1)
 188           (increment-calendar-month end-month end-year -1))
 189       (let* ((s (calendar-absolute-from-gregorian
 190                  (list start-month 1 start-year)))
 191              (e (calendar-absolute-from-gregorian
 192                  (list end-month 1 end-year)))
 193              (d s)
 194              (never t)
 195              (displayed-month start-month)
 196              (displayed-year start-year))
 197         (while (or never (<= d e))
 198           (setq result (append result (calendar-holiday-list)))
 199           (setq never nil)
 200           (increment-calendar-month displayed-month displayed-year 3)
 201           (setq d (calendar-absolute-from-gregorian
 202                    (list displayed-month 1 displayed-year))))))
 203     (let ((in-range)
 204           (p result))
 205       (while p
 206         (and (car (car p))
 207              (let ((a (calendar-absolute-from-gregorian (car (car p)))))
 208                (and (<= d1 a) (<= a d2)))
 209              (setq in-range (append (list (car p)) in-range)))
 210         (setq p (cdr p)))
 211       in-range)))
 212
 213 (defun cal-tex-list-diary-entries (d1 d2)
 214   "Generate a list of all diary-entries from absolute date D1 to D2."
 215   (let ((diary-display-hook nil))
 216     (list-diary-entries
 217      (calendar-gregorian-from-absolute d1)
 218      (1+ (- d2 d1)))))
 219
 220 (defun cal-tex-preamble (&optional args)
 221   "Insert the LaTeX preamble.
 222 Preamble Includes initial definitions for various LaTeX commands.
 223 Optional ARGS are included."
 224   (set-buffer (get-buffer-create cal-tex-buffer))
 225   (erase-buffer)
 226   (insert "\\documentstyle")
 227   (if args
 228       (insert "[" args "]"))
 229   (insert "{article}\n"
 230           "\\hbadness 20000
 231 \\hfuzz=1000pt
 232 \\vbadness 20000
 233 \\lineskip 0pt
 234 \\marginparwidth 0pt
 235 \\oddsidemargin  -2cm
 236 \\evensidemargin -2cm
 237 \\marginparsep   0pt
 238 \\topmargin      0pt
 239 \\textwidth      7.5in
 240 \\textheight     9.5in
 241 \\newlength{\\cellwidth}
 242 \\newlength{\\cellheight}
 243 \\newlength{\\boxwidth}
 244 \\newlength{\\boxheight}
 245 \\newlength{\\cellsize}
 246 \\newcommand{\\myday}[1]{}
 247 \\newcommand{\\caldate}[6]{}
 248 \\newcommand{\\nocaldate}[6]{}
 249 \\newcommand{\\calsmall}[6]{}
 250 %
 251 "))
 252
 253 ;;;
 254 ;;;  Yearly calendars
 255 ;;;
 256
 257 (defun cal-tex-cursor-year (&optional arg)
 258   "Make a buffer with LaTeX commands for the year cursor is on.
 259 Optional prefix argument specifies number of years."
 260   (interactive "P")
 261   (cal-tex-year (extract-calendar-year (calendar-cursor-to-date t))
 262                 (if arg arg 1)))
 263
 264 (defun cal-tex-cursor-year-landscape (&optional arg)
 265   "Make a buffer with LaTeX commands for the year cursor is on.
 266 Optional prefix argument specifies number of years."
 267   (interactive "P")
 268   (cal-tex-year (extract-calendar-year (calendar-cursor-to-date t))
 269                 (if arg arg 1)
 270                 t))
 271
 272 (defun cal-tex-year (year n &optional landscape)
 273   "Make a one page yearly calendar of YEAR; do this for N years.
 274 There are four rows of three months each, unless optional LANDSCAPE is t,
 275 in which case the calendar isprinted in landscape mode with three rows of
 276 four months each."
 277   (cal-tex-insert-preamble 1 landscape "12pt")
 278   (if landscape
 279       (cal-tex-vspace "-.6cm")
 280     (cal-tex-vspace "-3.1cm"))
 281   (calendar-for-loop j from 1 to n do
 282      (insert "\\vfill%\n")
 283      (cal-tex-b-center)
 284      (cal-tex-Huge (number-to-string year))
 285      (cal-tex-e-center)
 286      (cal-tex-vspace "1cm")
 287      (cal-tex-b-center)
 288      (cal-tex-b-parbox "l" (if landscape "5.9in" "4.3in"))
 289      (insert "\n")
 290      (cal-tex-noindent)
 291      (cal-tex-nl)
 292      (calendar-for-loop i from 1 to 12 do
 293         (insert (cal-tex-mini-calendar i year "month" "1.1in" "1in"))
 294         (insert "\\month")
 295         (cal-tex-hspace "0.5in")
 296         (if (zerop (mod i (if landscape 4 3)))
 297             (cal-tex-nl "0.5in")))
 298      (cal-tex-e-parbox)
 299      (cal-tex-e-center)
 300      (insert "\\vfill%\n")
 301      (setq year (1+ year))
 302      (if (/= j n)
 303          (cal-tex-newpage)
 304        (cal-tex-end-document))
 305      (run-hooks 'cal-tex-year-hook))
 306   (run-hooks 'cal-tex-hook))
 307
 308 (defun cal-tex-cursor-filofax-year (&optional arg)
 309   "Make a Filofax one page yearly calendar of year indicated by cursor.
 310 Optional parameter specifies number of years."
 311   (interactive "P")
 312   (let* ((n (if arg arg 1))
 313          (year (extract-calendar-year (calendar-cursor-to-date t))))
 314     (cal-tex-preamble "twoside")
 315     (cal-tex-cmd "\\textwidth 3.25in")
 316     (cal-tex-cmd "\\textheight 6.5in")
 317     (cal-tex-cmd "\\oddsidemargin 1.675in")
 318     (cal-tex-cmd "\\evensidemargin 1.675in")
 319     (cal-tex-cmd "\\topmargin 0pt")
 320     (cal-tex-cmd "\\headheight -0.875in")
 321     (cal-tex-cmd "\\fboxsep 0.5mm")
 322     (cal-tex-cmd "\\pagestyle{empty}")
 323     (cal-tex-b-document)
 324     (cal-tex-cmd "\\vspace*{0.25in}")
 325     (calendar-for-loop j from 1 to n do
 326        (insert (format "\\hfil {\\Large \\bf %s} \\hfil\\\\\n" year))
 327        (cal-tex-b-center)
 328        (cal-tex-b-parbox "l" "\\textwidth")
 329        (insert "\n")
 330        (cal-tex-noindent)
 331        (cal-tex-nl)
 332        (calendar-for-loop i from 1 to 12 do
 333           (insert (cal-tex-mini-calendar i year
 334                                          (calendar-month-name i)
 335                                          "1in" ".9in" "tiny" "0.6mm")))
 336        (insert
 337 "\\noindent\\fbox{\\January}\\fbox{\\February}\\fbox{\\March}\\\\
 338 \\noindent\\fbox{\\April}\\fbox{\\May}\\fbox{\\June}\\\\
 339 \\noindent\\fbox{\\July}\\fbox{\\August}\\fbox{\\September}\\\\
 340 \\noindent\\fbox{\\October}\\fbox{\\November}\\fbox{\\December}
 341 ")
 342        (cal-tex-e-parbox)
 343        (cal-tex-e-center)
 344        (setq year (1+ year))
 345        (if (= j n)
 346            (cal-tex-end-document)
 347          (cal-tex-newpage)
 348          (cal-tex-cmd "\\vspace*{0.25in}"))
 349        (run-hooks 'cal-tex-year-hook))
 350     (run-hooks 'cal-tex-hook)))
 351
 352 ;;;
 353 ;;;  Monthly calendars
 354 ;;;
 355
 356 (defun cal-tex-cursor-month-landscape (&optional arg)
 357   "Make a buffer with LaTeX commands for the month cursor is on.
 358 Optional prefix argument specifies number of months to be produced.
 359 The output is in landscape format, one month to a page."
 360   (interactive "P")
 361   (let* ((n (if arg arg 1))
 362          (date (calendar-cursor-to-date t))
 363          (month (extract-calendar-month date))
 364          (year (extract-calendar-year date))
 365          (end-month month)
 366          (end-year year)
 367          (cal-tex-which-days '(0 1 2 3 4 5 6)))
 368     (increment-calendar-month end-month end-year (1- n))
 369     (let ((diary-list (if cal-tex-diary
 370                           (cal-tex-list-diary-entries
 371                            (calendar-absolute-from-gregorian
 372                             (list month 1 year))
 373                            (calendar-absolute-from-gregorian
 374                             (list end-month
 375                                   (calendar-last-day-of-month
 376                                    end-month end-year)
 377                                   end-year)))))
 378           (holidays (if cal-tex-holidays
 379                         (cal-tex-list-holidays
 380                          (calendar-absolute-from-gregorian
 381                           (list month 1 year))
 382                          (calendar-absolute-from-gregorian
 383                           (list end-month
 384                                 (calendar-last-day-of-month end-month end-year)
 385                                 end-year)))))
 386           (other-month)
 387           (other-year)
 388           (small-months-at-start))
 389       (cal-tex-insert-preamble (cal-tex-number-weeks month year 1) t "12pt")
 390       (cal-tex-cmd cal-tex-cal-one-month)
 391       (calendar-for-loop i from 1 to n do
 392          (setq other-month month)
 393          (setq other-year year)
 394          (increment-calendar-month other-month other-year -1)
 395          (insert (cal-tex-mini-calendar other-month other-year "lastmonth"
 396                                         "\\cellwidth" "\\cellheight"))
 397          (increment-calendar-month other-month other-year 2)
 398          (insert (cal-tex-mini-calendar other-month other-year "nextmonth"
 399                                         "\\cellwidth" "\\cellheight"))
 400          (cal-tex-insert-month-header 1 month year month year)
 401          (cal-tex-insert-day-names)
 402          (cal-tex-nl ".2cm")
 403          (setq small-months-at-start
 404                (< 1 (mod (- (calendar-day-of-week (list month 1 year))
 405                             calendar-week-start-day)
 406                          7)))
 407          (if small-months-at-start
 408              (insert "\\lastmonth\\nextmonth\\hspace*{-2\\cellwidth}"))
 409          (cal-tex-insert-blank-days month year cal-tex-day-prefix)
 410          (cal-tex-insert-days month year diary-list holidays
 411                               cal-tex-day-prefix)
 412          (cal-tex-insert-blank-days-at-end month year cal-tex-day-prefix)
 413          (if (and (not small-months-at-start)
 414                   (< 1 (mod (- (1- calendar-week-start-day)
 415                                (calendar-day-of-week
 416                                 (list month
 417                                       (calendar-last-day-of-month month year)
 418                                       year)))
 419                                  7)))
 420              (insert "\\vspace*{-\\cellwidth}\\hspace*{-2\\cellwidth}"
 421                      "\\lastmonth\\nextmonth"))
 422          (if (/= i n)
 423              (progn
 424                (run-hooks 'cal-tex-month-hook)
 425                (cal-tex-newpage)
 426                (increment-calendar-month month year 1)
 427                (cal-tex-vspace "-2cm")
 428                (cal-tex-insert-preamble
 429                 (cal-tex-number-weeks month year 1) t "12pt" t))))
 430       (cal-tex-end-document)
 431       (run-hooks 'cal-tex-hook))))
 432
 433 (defun cal-tex-cursor-month (arg)
 434   "Make a buffer with LaTeX commands for the month cursor is on.
 435 Optional prefix argument specifies number of months to be produced.
 436 Calendar is condensed onto one page."
 437   (interactive "P")
 438   (let* ((date (calendar-cursor-to-date t))
 439          (month (extract-calendar-month date))
 440          (year (extract-calendar-year date))
 441          (end-month month)
 442          (end-year year)
 443          (n (if arg arg 1)))
 444     (increment-calendar-month end-month end-year (1- n))
 445     (let ((diary-list (if cal-tex-diary
 446                           (cal-tex-list-diary-entries
 447                            (calendar-absolute-from-gregorian
 448                             (list month 1 year))
 449                            (calendar-absolute-from-gregorian
 450                             (list end-month
 451                                   (calendar-last-day-of-month
 452                                    end-month end-year)
 453                                   end-year)))))
 454           (holidays (if cal-tex-holidays
 455                         (cal-tex-list-holidays
 456                          (calendar-absolute-from-gregorian
 457                           (list month 1 year))
 458                          (calendar-absolute-from-gregorian
 459                           (list end-month
 460                                 (calendar-last-day-of-month end-month end-year)
 461                                 end-year)))))
 462           (other-month)
 463           (other-year))
 464       (cal-tex-insert-preamble (cal-tex-number-weeks month year n) nil"12pt")
 465       (if (> n 1)
 466           (cal-tex-cmd cal-tex-cal-multi-month)
 467         (cal-tex-cmd cal-tex-cal-one-month))
 468       (cal-tex-insert-month-header n month year end-month end-year)
 469       (cal-tex-insert-day-names)
 470       (cal-tex-nl ".2cm")
 471       (cal-tex-insert-blank-days month year cal-tex-day-prefix)
 472       (calendar-for-loop i from 1 to n do
 473          (setq other-month month)
 474          (setq other-year year)
 475          (cal-tex-insert-days month year diary-list holidays
 476                               cal-tex-day-prefix)
 477          (increment-calendar-month month year 1))
 478       (cal-tex-insert-blank-days-at-end end-month end-year cal-tex-day-prefix)
 479       (cal-tex-end-document)))
 480   (run-hooks 'cal-tex-hook))
 481
 482 (defun cal-tex-insert-days (month year diary-list holidays day-format)
 483   "Insert LaTeX commands for a range of days in monthly calendars.
 484 LaTeX commands are inserted for the days of the MONTH in YEAR.
 485 Diary entries on DIARY-LIST are included. Holidays on HOLIDAYS are included.
 486 Each day is formatted using format DAY-FORMAT."
 487   (let* ((blank-days;; at start of month
 488           (mod
 489            (- (calendar-day-of-week (list month 1 year))
 490               calendar-week-start-day)
 491            7))
 492          (date)
 493          (last (calendar-last-day-of-month month year)))
 494     (calendar-for-loop i from 1 to last do
 495        (setq date (list month i year))
 496        (if (memq (calendar-day-of-week date) cal-tex-which-days)
 497            (progn
 498              (insert (format day-format (calendar-month-name month) i))
 499              (cal-tex-arg (cal-tex-latexify-list diary-list date))
 500              (cal-tex-arg (cal-tex-latexify-list holidays date))
 501              (cal-tex-arg (eval cal-tex-daily-string))
 502              (cal-tex-arg)
 503              (cal-tex-comment)))
 504        (if (and (zerop (mod (+ i blank-days) 7))
 505                 (/= i last))
 506            (progn
 507              (cal-tex-hfill)
 508              (cal-tex-nl))))))
 509
 510 (defun cal-tex-insert-day-names ()
 511   "Insert the names of the days at top of a monthly calendar."
 512   (calendar-for-loop i from 0 to 6 do
 513      (if (memq i cal-tex-which-days)
 514          (insert (format cal-tex-day-name-format
 515                          (aref calendar-day-name-array
 516                                (mod (+ calendar-week-start-day i) 7)))))
 517      (cal-tex-comment)))
 518
 519 (defun cal-tex-insert-month-header (n month year end-month end-year)
 520   "Create a title for a calendar.
 521 A title is inserted for a calendar with N months starting with
 522 MONTH YEAR and ending with END-MONTH END-YEAR."
 523   (let ( (month-name (calendar-month-name  month))
 524          (end-month-name (calendar-month-name  end-month)))
 525     (if (= 1 n)
 526         (insert (format "\\calmonth{%s}{%s}\n\\vspace*{-0.5cm}"
 527                 month-name year) )
 528         (insert (format "\\calmonth{%s}{%s}{%s}{%s}\n\\vspace*{-0.5cm}"
 529                 month-name year end-month-name end-year))))
 530   (cal-tex-comment))
 531
 532 (defun cal-tex-insert-blank-days (month year day-format)
 533   "Insert code for initial days not in calendar.
 534 Insert LaTeX code for the blank days at the beginning of the MONTH in
 535 YEAR.  The entry is formatted using DAY-FORMAT.  If the entire week is
 536 blank, no days are inserted."
 537   (if (cal-tex-first-blank-p month year)
 538       (let* ((blank-days;; at start of month
 539               (mod
 540                (- (calendar-day-of-week (list month 1 year))
 541                   calendar-week-start-day)
 542                7)))
 543         (calendar-for-loop i from 0 to (1- blank-days) do
 544             (if (memq i cal-tex-which-days)
 545                 (insert (format day-format " " " ") "{}{}{}{}%\n"))))))
 546
 547 (defun cal-tex-insert-blank-days-at-end (month year day-format)
 548   "Insert code for final days not in calendar.
 549 Insert LaTeX code for the blank days at the end of the MONTH in YEAR.
 550 The entry is formatted using DAY-FORMAT."
 551   (if (cal-tex-last-blank-p month year)
 552       (let* ((last-day (calendar-last-day-of-month month year))
 553              (blank-days;; at end of month
 554               (mod
 555                (- (calendar-day-of-week (list month last-day year))
 556                   calendar-week-start-day)
 557                7)))
 558         (calendar-for-loop i from (1+ blank-days) to 6 do
 559            (if (memq i cal-tex-which-days)
 560                (insert (format day-format "" "") "{}{}{}{}%\n"))))))
 561
 562 (defun cal-tex-first-blank-p (month year)
 563   "Determine if any days of the first week will be printed.
 564 Return t if there will there be any days of the first week printed
 565 in the calendar starting in MONTH YEAR."
 566   (let ((any-days nil)
 567         (the-saturday))                 ;the day of week of 1st Saturday
 568     (calendar-for-loop i from 1 to 7 do
 569        (if (= 6 (calendar-day-of-week (list month i year)))
 570            (setq the-saturday i)))
 571     (calendar-for-loop i from 1 to the-saturday do
 572        (if (memq (calendar-day-of-week (list month i year))
 573                  cal-tex-which-days)
 574            (setq any-days t)))
 575     any-days))
 576
 577 (defun cal-tex-last-blank-p (month year)
 578   "Determine if any days of the last week will be printed.
 579 Return t if there will there be any days of the last week printed
 580 in the calendar starting in MONTH YEAR."
 581   (let ((any-days nil)
 582         (last-day (calendar-last-day-of-month month year))
 583         (the-sunday))                   ;the day of week of last Sunday
 584     (calendar-for-loop i from (- last-day 6) to last-day do
 585        (if (= 0 (calendar-day-of-week (list month i year)))
 586            (setq the-sunday i)))
 587     (calendar-for-loop i from the-sunday to last-day do
 588        (if (memq (calendar-day-of-week (list month i year))
 589                  cal-tex-which-days)
 590            (setq any-days t)))
 591     any-days))
 592
 593 (defun cal-tex-number-weeks (month year n)
 594   "Determine the number of weeks in a range of dates.
 595 Compute the number of  weeks in the calendar starting with MONTH and YEAR,
 596 and lasting N months, including only the days in WHICH-DAYS. As it stands,
 597 this is only an upper bound."
 598   (let ((d (list month 1 year)))
 599     (increment-calendar-month month year (1- n))
 600     (/ (- (calendar-dayname-on-or-before
 601            calendar-week-start-day
 602            (+ 7 (calendar-absolute-from-gregorian
 603                    (list month (calendar-last-day-of-month month year) year))))
 604           (calendar-dayname-on-or-before
 605            calendar-week-start-day
 606            (calendar-absolute-from-gregorian d)))
 607        7)))
 608
 609 ;;;
 610 ;;; Weekly calendars
 611 ;;;
 612
 613 (defun cal-tex-cursor-week (&optional arg)
 614   "Make a buffer with LaTeX commands for a two-page one-week calendar.
 615 It applies to the week that point is in.
 616 Optional prefix argument specifies number of weeks.
 617 Holidays are included if `cal-tex-holidays' is t."
 618   (interactive "P")
 619   (let* ((n (if arg arg 1))
 620          (date (calendar-gregorian-from-absolute
 621                 (calendar-dayname-on-or-before
 622                  calendar-week-start-day
 623                  (calendar-absolute-from-gregorian
 624                   (calendar-cursor-to-date t)))))
 625          (month (extract-calendar-month date))
 626          (year (extract-calendar-year date))
 627          (holidays (if cal-tex-holidays
 628                        (cal-tex-list-holidays
 629                         (calendar-absolute-from-gregorian date)
 630                         (+ (* 7 n)
 631                            (calendar-absolute-from-gregorian date))))))
 632     (cal-tex-preamble "11pt")
 633     (cal-tex-cmd "\\textwidth   6.5in")
 634     (cal-tex-cmd "\\textheight 10.5in")
 635     (cal-tex-cmd "\\oddsidemargin 0in")
 636     (cal-tex-cmd "\\evensidemargin 0in")
 637     (insert cal-tex-LaTeX-hourbox)
 638     (cal-tex-b-document)
 639     (cal-tex-cmd "\\pagestyle{empty}")
 640     (calendar-for-loop i from 1 to n do
 641        (cal-tex-vspace "-1.5in")
 642        (cal-tex-b-center)
 643        (cal-tex-Huge-bf (format "\\uppercase{%s}"
 644                                 (calendar-month-name month)))
 645        (cal-tex-hspace "2em")
 646        (cal-tex-Huge-bf (number-to-string year))
 647        (cal-tex-nl ".5cm")
 648        (cal-tex-e-center)
 649        (cal-tex-hspace "-.2in")
 650        (cal-tex-b-parbox "l" "7in")
 651        (calendar-for-loop j from 1 to 7 do
 652           (cal-tex-week-hours date holidays "3.1")
 653           (setq date (cal-tex-incr-date date)))
 654        (cal-tex-e-parbox)
 655        (setq month (extract-calendar-month date))
 656        (setq year (extract-calendar-year date))
 657        (if (/= i n)
 658            (progn
 659              (run-hooks 'cal-tex-week-hook)
 660              (cal-tex-newpage))))
 661     (cal-tex-end-document)
 662     (run-hooks 'cal-tex-hook)))
 663
 664 (defun cal-tex-cursor-week2 (&optional arg)
 665   "Make a buffer with LaTeX commands for a two-page one-week calendar.
 666 It applies to the week that point is in.
 667 Optional prefix argument specifies number of weeks.
 668 Holidays are included if `cal-tex-holidays' is t."
 669   (interactive "P")
 670   (let* ((n (if arg arg 1))
 671          (date (calendar-gregorian-from-absolute
 672                 (calendar-dayname-on-or-before
 673                  calendar-week-start-day
 674                  (calendar-absolute-from-gregorian
 675                   (calendar-cursor-to-date t)))))
 676          (month (extract-calendar-month date))
 677          (year (extract-calendar-year date))
 678          (d date)
 679          (holidays (if cal-tex-holidays
 680                        (cal-tex-list-holidays
 681                         (calendar-absolute-from-gregorian date)
 682                         (+ (* 7 n)
 683                            (calendar-absolute-from-gregorian date))))))
 684     (cal-tex-preamble "12pt")
 685     (cal-tex-cmd "\\textwidth   6.5in")
 686     (cal-tex-cmd "\\textheight 10.5in")
 687     (cal-tex-cmd "\\oddsidemargin 0in")
 688     (cal-tex-cmd "\\evensidemargin 0in")
 689     (insert cal-tex-LaTeX-hourbox)
 690     (cal-tex-b-document)
 691     (cal-tex-cmd "\\pagestyle{empty}")
 692     (calendar-for-loop i from 1 to n do
 693        (cal-tex-vspace "-1.5in")
 694        (cal-tex-b-center)
 695        (cal-tex-Huge-bf (format "\\uppercase{%s}"
 696                                 (calendar-month-name month)))
 697        (cal-tex-hspace "2em")
 698        (cal-tex-Huge-bf (number-to-string year))
 699        (cal-tex-nl ".5cm")
 700        (cal-tex-e-center)
 701        (cal-tex-hspace "-.2in")
 702        (cal-tex-b-parbox "l" "\\textwidth")
 703        (calendar-for-loop j from 1 to 3 do
 704           (cal-tex-week-hours date holidays "5")
 705           (setq date (cal-tex-incr-date date)))
 706        (cal-tex-e-parbox)
 707        (cal-tex-nl)
 708        (insert (cal-tex-mini-calendar
 709                 (extract-calendar-month (cal-tex-previous-month date))
 710                 (extract-calendar-year (cal-tex-previous-month date))
 711                 "lastmonth" "1.1in" "1in"))
 712        (insert (cal-tex-mini-calendar
 713                 (extract-calendar-month date)
 714                 (extract-calendar-year date)
 715                 "thismonth" "1.1in" "1in"))
 716        (insert (cal-tex-mini-calendar
 717                 (extract-calendar-month (cal-tex-next-month date))
 718                 (extract-calendar-year (cal-tex-next-month date))
 719                 "nextmonth" "1.1in" "1in"))
 720        (insert "\\hbox to \\textwidth{")
 721        (cal-tex-hfill)
 722        (insert "\\lastmonth")
 723        (cal-tex-hfill)
 724        (insert "\\thismonth")
 725        (cal-tex-hfill)
 726        (insert "\\nextmonth")
 727        (cal-tex-hfill)
 728        (insert "}")
 729        (cal-tex-nl)
 730        (cal-tex-b-parbox "l" "\\textwidth")
 731        (calendar-for-loop j from 4 to 7 do
 732                           (cal-tex-week-hours date holidays "5")
 733                           (setq date (cal-tex-incr-date date)))
 734        (cal-tex-e-parbox)
 735        (setq month (extract-calendar-month date))
 736        (setq year (extract-calendar-year date))
 737        (if (/= i n)
 738            (progn
 739              (run-hooks 'cal-tex-week-hook)
 740              (cal-tex-newpage))))
 741     (cal-tex-end-document)
 742     (run-hooks 'cal-tex-hook)))
 743
 744 (defun cal-tex-cursor-week-iso (&optional arg)
 745   "Make a buffer with LaTeX commands for a one page ISO-style weekly calendar.
 746 Optional prefix argument specifies number of weeks.
 747 Diary entries are included if `cal-tex-diary' is t.
 748 Holidays are included if `cal-tex-holidays' is t."
 749   (interactive "P")
 750   (let* ((n (if arg arg 1))
 751          (date (calendar-gregorian-from-absolute
 752                 (calendar-dayname-on-or-before
 753                  1
 754                  (calendar-absolute-from-gregorian
 755                   (calendar-cursor-to-date t)))))
 756          (month (extract-calendar-month date))
 757          (year (extract-calendar-year date))
 758          (day (extract-calendar-day date))
 759          (holidays (if cal-tex-holidays
 760                        (cal-tex-list-holidays
 761                         (calendar-absolute-from-gregorian date)
 762                         (+ (* 7 n)
 763                            (calendar-absolute-from-gregorian date)))))
 764          (diary-list (if cal-tex-diary
 765                          (cal-tex-list-diary-entries
 766                           (calendar-absolute-from-gregorian
 767                            (list month 1 year))
 768                         (+ (* 7 n)
 769                            (calendar-absolute-from-gregorian date))))))
 770     (cal-tex-preamble "11pt")
 771     (cal-tex-cmd "\\textwidth 6.5in")
 772     (cal-tex-cmd "\\textheight 10.5in")
 773     (cal-tex-cmd "\\oddsidemargin 0in")
 774     (cal-tex-cmd "\\evensidemargin 0in")
 775     (cal-tex-b-document)
 776     (cal-tex-cmd "\\pagestyle{empty}")
 777     (calendar-for-loop i from 1 to n do
 778        (cal-tex-vspace "-1.5in")
 779        (cal-tex-b-center)
 780        (cal-tex-Huge-bf
 781         (let* ((d (calendar-iso-from-absolute
 782                    (calendar-absolute-from-gregorian date))))
 783           (format "Week %d of %d"
 784                   (extract-calendar-month d)
 785                   (extract-calendar-year d))))
 786        (cal-tex-nl ".5cm")
 787        (cal-tex-e-center)
 788        (cal-tex-b-parbox "l" "\\textwidth")
 789        (calendar-for-loop j from 1 to 7 do
 790           (cal-tex-b-parbox "t" "\\textwidth")
 791           (cal-tex-b-parbox "t" "\\textwidth")
 792           (cal-tex-rule "0pt" "\\textwidth" ".2mm")
 793           (cal-tex-nl)
 794           (cal-tex-b-parbox "t" "\\textwidth")
 795           (cal-tex-large-bf (calendar-day-name date))
 796           (insert ", ")
 797           (cal-tex-large-bf (calendar-month-name month))
 798           (insert " ")
 799           (cal-tex-large-bf (number-to-string day))
 800           (if (not (string= "" (cal-tex-latexify-list holidays date)))
 801               (progn
 802                 (insert ": ")
 803                 (cal-tex-large-bf (cal-tex-latexify-list holidays date "; "))))
 804           (cal-tex-hfill)
 805           (insert " " (eval cal-tex-daily-string))
 806           (cal-tex-e-parbox)
 807           (cal-tex-nl)
 808           (cal-tex-noindent)
 809           (cal-tex-b-parbox "t" "\\textwidth")
 810           (if (not (string= "" (cal-tex-latexify-list diary-list date)))
 811               (progn
 812                 (insert "\\vbox to 0pt{")
 813                 (cal-tex-large-bf
 814                  (cal-tex-latexify-list diary-list date))
 815                 (insert "}")))
 816           (cal-tex-e-parbox)
 817           (cal-tex-nl)
 818           (setq date (cal-tex-incr-date date))
 819           (setq month (extract-calendar-month date))
 820           (setq day (extract-calendar-day date))
 821           (cal-tex-e-parbox)
 822           (cal-tex-e-parbox "2cm")
 823           (cal-tex-nl)
 824           (setq month (extract-calendar-month date))
 825           (setq year (extract-calendar-year date)))
 826        (cal-tex-e-parbox)%
 827        (if (/= i n)
 828            (progn
 829              (run-hooks 'cal-tex-week-hook)
 830              (cal-tex-newpage))))
 831     (cal-tex-end-document)
 832     (run-hooks 'cal-tex-hook)))
 833
 834 (defvar cal-tex-LaTeX-hourbox
 835   "\\newcommand{\\hourbox}[2]%
 836 {\\makebox[2em]{\\rule{0cm}{#2ex}#1}\\rule{3in}{.15mm}}\n"
 837   "One hour and a line on the right.")
 838
 839 (defun cal-tex-week-hours (date holidays height)
 840   "Insert hourly entries for DATE with HOLIDAYS, with line height HEIGHT."
 841   (let ((month (extract-calendar-month date))
 842         (day   (extract-calendar-day date))
 843         (year  (extract-calendar-year date))
 844         (afternoon))
 845   (cal-tex-comment "begin cal-tex-week-hours")
 846   (cal-tex-cmd  "\\ \\\\[-.2cm]")
 847   (cal-tex-cmd "\\noindent")
 848   (cal-tex-b-parbox "l" "6.8in")
 849   (cal-tex-large-bf (calendar-day-name date))
 850   (insert ", ")
 851   (cal-tex-large-bf (calendar-month-name month))
 852   (insert " ")
 853   (cal-tex-large-bf (number-to-string day))
 854   (if (not (string= "" (cal-tex-latexify-list holidays date)))
 855       (progn
 856         (insert ": ")
 857         (cal-tex-large-bf (cal-tex-latexify-list holidays date "; "))))
 858   (cal-tex-hfill)
 859   (insert " " (eval cal-tex-daily-string))
 860   (cal-tex-e-parbox)
 861   (cal-tex-nl "-.3cm")
 862   (cal-tex-rule "0pt" "6.8in" ".2mm")
 863   (cal-tex-nl "-.1cm")
 864   (calendar-for-loop i from 8 to 12 do
 865      (if cal-tex-24
 866          (setq afternoon (+ i 5))
 867        (setq afternoon (- i 7)))
 868      (cal-tex-cmd "\\hourbox"  (number-to-string i))
 869      (cal-tex-arg height)
 870      (cal-tex-hspace ".4cm")
 871      (cal-tex-cmd "\\hourbox"  (number-to-string afternoon))
 872      (cal-tex-arg height)
 873      (cal-tex-nl))))
 874
 875 (defun cal-tex-cursor-week-monday (&optional arg)
 876   "Make a buffer with LaTeX commands for a two-page one-week calendar.
 877 It applies to the week that point is in, and starts on Monday.
 878 Optional prefix argument specifies number of weeks.
 879 Holidays are included if `cal-tex-holidays' is t."
 880   (interactive "P")
 881   (let* ((n (if arg arg 1))
 882          (date (calendar-gregorian-from-absolute
 883                 (calendar-dayname-on-or-before
 884                  0
 885                  (calendar-absolute-from-gregorian
 886                   (calendar-cursor-to-date t))))))
 887     (cal-tex-preamble "11pt")
 888     (cal-tex-cmd "\\textwidth   6.5in")
 889     (cal-tex-cmd "\\textheight 10.5in")
 890     (cal-tex-cmd "\\oddsidemargin 0in")
 891     (cal-tex-cmd "\\evensidemargin 0in")
 892     (cal-tex-b-document)
 893     (calendar-for-loop i from 1 to n do
 894        (cal-tex-vspace "-1cm")
 895        (insert "\\noindent ")
 896        (cal-tex-weekly4-box (cal-tex-incr-date date) nil)
 897        (cal-tex-weekly4-box (cal-tex-incr-date date 4) nil)
 898        (cal-tex-nl ".2cm")
 899        (cal-tex-weekly4-box (cal-tex-incr-date date 2) nil)
 900        (cal-tex-weekly4-box (cal-tex-incr-date date 5) nil)
 901        (cal-tex-nl ".2cm")
 902        (cal-tex-weekly4-box (cal-tex-incr-date date 3) nil)
 903        (cal-tex-weekly4-box (cal-tex-incr-date date 6) t)
 904        (if (/= i n)
 905            (progn
 906              (run-hooks 'cal-tex-week-hook)
 907              (setq date (cal-tex-incr-date date 7))
 908              (cal-tex-newpage))))
 909     (cal-tex-end-document)
 910     (run-hooks 'cal-tex-hook)))
 911
 912 (defun cal-tex-weekly4-box (date weekend)
 913   "Make one box for DATE, different if WEEKEND."
 914   (let* (
 915         (day (extract-calendar-day date))
 916         (month (extract-calendar-month date))
 917         (year (extract-calendar-year date))
 918         (dayname (calendar-day-name date))
 919         (date1 (cal-tex-incr-date date))
 920         (day1 (extract-calendar-day date1))
 921         (month1 (extract-calendar-month date1))
 922         (year1 (extract-calendar-year date1))
 923         (dayname1 (calendar-day-name date1))
 924         )
 925     (cal-tex-b-framebox "8cm" "l")
 926     (cal-tex-b-parbox "b" "7.5cm")
 927     (insert (format "{\\Large\\bf %s,} %s/%s/%s\\\\\n" dayname month day year))
 928     (cal-tex-rule "0pt" "7.5cm" ".5mm")
 929     (cal-tex-nl)
 930     (if (not weekend)
 931         (progn
 932           (calendar-for-loop i from 8 to 12 do
 933              (insert (format "{\\large\\sf %d}\\\\\n" i)))
 934           (calendar-for-loop i from 1 to 5 do
 935              (insert (format "{\\large\\sf %d}\\\\\n" i)))))
 936     (cal-tex-nl ".5cm")
 937     (if weekend
 938         (progn
 939           (cal-tex-vspace "1cm")
 940           (insert "\\ \\vfill")
 941           (insert (format "{\\Large\\bf %s,} %s/%s/%s\\\\\n"
 942                           dayname1 month1 day1 year1))
 943           (cal-tex-rule "0pt" "7.5cm" ".5mm")
 944           (cal-tex-nl "1.5cm")
 945           (cal-tex-vspace "1cm")))
 946      (cal-tex-e-parbox)
 947      (cal-tex-e-framebox)
 948      (cal-tex-hspace "1cm")))
 949
 950 (defun cal-tex-cursor-filofax-2week (&optional arg)
 951   "Two-weeks-at-a-glance Filofax style calendar for week indicated by cursor.
 952 Optional prefix argument specifies number of weeks.
 953 Diary entries are included if `cal-tex-diary' is t.
 954 Holidays are included if `cal-tex-holidays' is t."
 955   (interactive "P")
 956   (let* ((n (if arg arg 1))
 957          (date (calendar-gregorian-from-absolute
 958                 (calendar-dayname-on-or-before
 959                  calendar-week-start-day
 960                  (calendar-absolute-from-gregorian
 961                   (calendar-cursor-to-date t)))))
 962          (month (extract-calendar-month date))
 963          (year (extract-calendar-year date))
 964          (day (extract-calendar-day date))
 965          (holidays (if cal-tex-holidays
 966                        (cal-tex-list-holidays
 967                         (calendar-absolute-from-gregorian date)
 968                         (+ (* 7 n)
 969                            (calendar-absolute-from-gregorian date)))))
 970          (diary-list (if cal-tex-diary
 971                          (cal-tex-list-diary-entries
 972                           (calendar-absolute-from-gregorian
 973                            (list month 1 year))
 974                         (+ (* 7 n)
 975                            (calendar-absolute-from-gregorian date))))))
 976     (cal-tex-preamble "twoside")
 977     (cal-tex-cmd "\\textwidth 3.25in")
 978     (cal-tex-cmd "\\textheight 6.5in")
 979     (cal-tex-cmd "\\oddsidemargin 1.75in")
 980     (cal-tex-cmd "\\evensidemargin 1.5in")
 981     (cal-tex-cmd "\\topmargin 0pt")
 982     (cal-tex-cmd "\\headheight -0.875in")
 983     (cal-tex-cmd "\\headsep 0.125in")
 984     (cal-tex-cmd "\\footskip .125in")
 985     (insert "\\def\\righthead#1{\\hfill {\\normalsize \\bf #1}\\\\[-6pt]}
 986 \\long\\def\\rightday#1#2#3#4#5{%
 987    \\rule{\\textwidth}{0.3pt}\\\\%
 988    \\hbox to \\textwidth{%
 989      \\vbox to 0.7in{%
 990           \\vspace*{2pt}%
 991           \\hbox to \\textwidth{\\small #5 \\hfill #1 {\\normalsize \\bf #2}}%
 992           \\hbox to \\textwidth{\\vbox {\\raggedleft \\footnotesize \\em #4}}%
 993           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}
 994 \\def\\lefthead#1{\\noindent {\\normalsize \\bf #1}\\hfill\\\\[-6pt]}
 995 \\long\\def\\leftday#1#2#3#4#5{%
 996    \\rule{\\textwidth}{0.3pt}\\\\%
 997    \\hbox to \\textwidth{%
 998      \\vbox to 0.7in{%
 999           \\vspace*{2pt}%
1000           \\hbox to \\textwidth{\\noindent {\\normalsize \\bf #2} \\small #1 \\hfill #5}%
1001           \\hbox to \\textwidth{\\vbox {\\noindent \\footnotesize \\em #4}}%
1002           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}
1003 ")
1004     (cal-tex-b-document)
1005     (cal-tex-cmd "\\pagestyle{empty}")
1006     (calendar-for-loop i from 1 to n do
1007        (if (= (mod i 2) 1)
1008            (insert "\\righthead")
1009          (insert "\\lefthead"))
1010        (cal-tex-arg
1011         (let ((d (cal-tex-incr-date date 6)))
1012           (if (= (extract-calendar-month date)
1013                  (extract-calendar-month d))
1014               (format "%s %s"
1015                       (calendar-month-name
1016                        (extract-calendar-month date))
1017                       (extract-calendar-year date))
1018             (if (=  (extract-calendar-year date)
1019                     (extract-calendar-year d))
1020                 (format "%s---%s %s"
1021                         (calendar-month-name
1022                          (extract-calendar-month date))
1023                         (calendar-month-name
1024                          (extract-calendar-month d))
1025                         (extract-calendar-year date))
1026               (format "%s %s---%s %s"
1027                       (calendar-month-name
1028                        (extract-calendar-month date))
1029                       (extract-calendar-year date)
1030                       (calendar-month-name (extract-calendar-month d))
1031                       (extract-calendar-year d))))))
1032        (insert "%\n")
1033        (calendar-for-loop j from 1 to 7 do
1034           (if (= (mod i 2) 1)
1035               (insert "\\rightday")
1036             (insert "\\leftday"))
1037           (cal-tex-arg (calendar-day-name date))
1038           (cal-tex-arg (int-to-string (extract-calendar-day date)))
1039           (cal-tex-arg (cal-tex-latexify-list diary-list date))
1040           (cal-tex-arg (cal-tex-latexify-list holidays date))
1041           (cal-tex-arg (eval cal-tex-daily-string))
1042           (insert "%\n")
1043           (setq date (cal-tex-incr-date date)))
1044        (if (/= i n)
1045            (progn
1046              (run-hooks 'cal-tex-week-hook)
1047              (cal-tex-newpage))))
1048     (cal-tex-end-document)
1049     (run-hooks 'cal-tex-hook)))
1050
1051 (defun cal-tex-cursor-filofax-week (&optional arg)
1052   "One-week-at-a-glance Filofax style calendar for week indicated by cursor.
1053 Optional prefix argument specifies number of weeks.
1054 Weeks start on Monday.
1055 Diary entries are included if `cal-tex-diary' is t.
1056 Holidays are included if `cal-tex-holidays' is t."
1057   (interactive "P")
1058   (let* ((n (if arg arg 1))
1059          (date (calendar-gregorian-from-absolute
1060                 (calendar-dayname-on-or-before
1061                  1
1062                  (calendar-absolute-from-gregorian
1063                   (calendar-cursor-to-date t)))))
1064          (month (extract-calendar-month date))
1065          (year (extract-calendar-year date))
1066          (day (extract-calendar-day date))
1067          (holidays (if cal-tex-holidays
1068                        (cal-tex-list-holidays
1069                         (calendar-absolute-from-gregorian date)
1070                         (+ (* 7 n)
1071                            (calendar-absolute-from-gregorian date)))))
1072          (diary-list (if cal-tex-diary
1073                          (cal-tex-list-diary-entries
1074                           (calendar-absolute-from-gregorian
1075                            (list month 1 year))
1076                         (+ (* 7 n)
1077                            (calendar-absolute-from-gregorian date))))))
1078     (cal-tex-preamble "twoside")
1079     (cal-tex-cmd "\\textwidth 3.25in")
1080     (cal-tex-cmd "\\textheight 6.5in")
1081     (cal-tex-cmd "\\oddsidemargin 1.75in")
1082     (cal-tex-cmd "\\evensidemargin 1.5in")
1083     (cal-tex-cmd "\\topmargin 0pt")
1084     (cal-tex-cmd "\\headheight -0.875in")
1085     (cal-tex-cmd "\\headsep 0.125in")
1086     (cal-tex-cmd "\\footskip .125in")
1087     (insert "\\def\\righthead#1{\\hfill {\\normalsize \\bf #1}\\\\[-6pt]}
1088 \\long\\def\\rightday#1#2#3#4#5{%
1089    \\rule{\\textwidth}{0.3pt}\\\\%
1090    \\hbox to \\textwidth{%
1091      \\vbox to 1.85in{%
1092           \\vspace*{2pt}%
1093           \\hbox to \\textwidth{\\small #5 \\hfill #1 {\\normalsize \\bf #2}}%
1094           \\hbox to \\textwidth{\\vbox {\\raggedleft \\footnotesize \\em #4}}%
1095           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}
1096 \\long\\def\\weekend#1#2#3#4#5{%
1097    \\rule{\\textwidth}{0.3pt}\\\\%
1098    \\hbox to \\textwidth{%
1099      \\vbox to .8in{%
1100           \\vspace*{2pt}%
1101           \\hbox to \\textwidth{\\small #5 \\hfill #1 {\\normalsize \\bf #2}}%
1102           \\hbox to \\textwidth{\\vbox {\\raggedleft \\footnotesize \\em #4}}%
1103           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}
1104 \\def\\lefthead#1{\\noindent {\\normalsize \\bf #1}\\hfill\\\\[-6pt]}
1105 \\long\\def\\leftday#1#2#3#4#5{%
1106    \\rule{\\textwidth}{0.3pt}\\\\%
1107    \\hbox to \\textwidth{%
1108      \\vbox to 1.85in{%
1109           \\vspace*{2pt}%
1110           \\hbox to \\textwidth{\\noindent {\\normalsize \\bf #2} \\small #1 \\hfill #5}%
1111           \\hbox to \\textwidth{\\vbox {\\noindent \\footnotesize \\em #4}}%
1112           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}
1113 ")
1114     (cal-tex-b-document)
1115     (cal-tex-cmd "\\pagestyle{empty}\\ ")
1116     (cal-tex-newpage)
1117     (calendar-for-loop i from 1 to n do
1118        (insert "\\lefthead")
1119        (cal-tex-arg
1120         (let ((d (cal-tex-incr-date date 2)))
1121           (if (= (extract-calendar-month date)
1122                  (extract-calendar-month d))
1123               (format "%s %s"
1124                       (calendar-month-name
1125                        (extract-calendar-month date))
1126                       (extract-calendar-year date))
1127             (if (=  (extract-calendar-year date)
1128                     (extract-calendar-year d))
1129                 (format "%s---%s %s"
1130                         (calendar-month-name
1131                          (extract-calendar-month date))
1132                         (calendar-month-name
1133                          (extract-calendar-month d))
1134                         (extract-calendar-year date))
1135               (format "%s %s---%s %s"
1136                       (calendar-month-name
1137                        (extract-calendar-month date))
1138                       (extract-calendar-year date)
1139                       (calendar-month-name (extract-calendar-month d))
1140                       (extract-calendar-year d))))))
1141        (insert "%\n")
1142        (calendar-for-loop j from 1 to 3 do
1143           (insert "\\leftday")
1144           (cal-tex-arg (calendar-day-name date))
1145           (cal-tex-arg (int-to-string (extract-calendar-day date)))
1146           (cal-tex-arg (cal-tex-latexify-list diary-list date))
1147           (cal-tex-arg (cal-tex-latexify-list holidays date))
1148           (cal-tex-arg (eval cal-tex-daily-string))
1149           (insert "%\n")
1150           (setq date (cal-tex-incr-date date)))
1151        (insert "\\noindent\\rule{\\textwidth}{0.3pt}\\\\%\n")
1152        (cal-tex-newpage)
1153        (insert "\\righthead")
1154        (cal-tex-arg
1155         (let ((d (cal-tex-incr-date date 3)))
1156           (if (= (extract-calendar-month date)
1157                  (extract-calendar-month d))
1158               (format "%s %s"
1159                       (calendar-month-name
1160                        (extract-calendar-month date))
1161                       (extract-calendar-year date))
1162             (if (=  (extract-calendar-year date)
1163                     (extract-calendar-year d))
1164                 (format "%s---%s %s"
1165                         (calendar-month-name
1166                          (extract-calendar-month date))
1167                         (calendar-month-name
1168                          (extract-calendar-month d))
1169                         (extract-calendar-year date))
1170               (format "%s %s---%s %s"
1171                       (calendar-month-name
1172                        (extract-calendar-month date))
1173                       (extract-calendar-year date)
1174                       (calendar-month-name (extract-calendar-month d))
1175                       (extract-calendar-year d))))))
1176        (insert "%\n")
1177        (calendar-for-loop j from 1 to 2 do
1178           (insert "\\rightday")
1179           (cal-tex-arg (calendar-day-name date))
1180           (cal-tex-arg (int-to-string (extract-calendar-day date)))
1181           (cal-tex-arg (cal-tex-latexify-list diary-list date))
1182           (cal-tex-arg (cal-tex-latexify-list holidays date))
1183           (cal-tex-arg (eval cal-tex-daily-string))
1184           (insert "%\n")
1185           (setq date (cal-tex-incr-date date)))
1186        (calendar-for-loop j from 1 to 2 do
1187           (insert "\\weekend")
1188           (cal-tex-arg (calendar-day-name date))
1189           (cal-tex-arg (int-to-string (extract-calendar-day date)))
1190           (cal-tex-arg (cal-tex-latexify-list diary-list date))
1191           (cal-tex-arg (cal-tex-latexify-list holidays date))
1192           (cal-tex-arg (eval cal-tex-daily-string))
1193           (insert "%\n")
1194           (setq date (cal-tex-incr-date date)))
1195        (if (/= i n)
1196            (progn
1197              (run-hooks 'cal-tex-week-hook)
1198              (cal-tex-newpage))))
1199     (cal-tex-end-document)
1200     (run-hooks 'cal-tex-hook)))
1201 ;;;
1202 ;;;  Daily calendars
1203 ;;;
1204
1205 (defun cal-tex-cursor-day (&optional arg)
1206   "Make a buffer with LaTeX commands for the day cursor is on.
1207 Optional prefix argument specifies number of days."
1208   (interactive "P")
1209   (let ((n (if arg arg 1))
1210         (date (calendar-absolute-from-gregorian (calendar-cursor-to-date t))))
1211     (cal-tex-preamble "12pt")
1212     (cal-tex-cmd "\\textwidth       6.5in")
1213     (cal-tex-cmd "\\textheight 10.5in")
1214     (cal-tex-b-document)
1215     (cal-tex-cmd "\\pagestyle{empty}")
1216     (calendar-for-loop i from 1 to n do
1217        (cal-tex-vspace "-1.7in")
1218        (cal-tex-daily-page (calendar-gregorian-from-absolute date))
1219        (setq date (1+ date))
1220        (if (/= i n)
1221           (progn
1222             (cal-tex-newpage)
1223             (run-hooks 'cal-tex-daily-hook))))
1224     (cal-tex-end-document)
1225     (run-hooks 'cal-tex-hook)))
1226
1227 (defun cal-tex-daily-page (date)
1228   "Make a calendar page for Gregorian DATE on 8.5 by 11 paper."
1229   (let* ((hour)
1230          (month-name (calendar-month-name (extract-calendar-month date))))
1231     (cal-tex-banner "cal-tex-daily-page")
1232     (cal-tex-b-makebox "4cm" "l")
1233     (cal-tex-b-parbox "b" "3.8cm")
1234     (cal-tex-rule "0mm" "0mm" "2cm")
1235     (cal-tex-Huge (number-to-string (extract-calendar-day date)))
1236     (cal-tex-nl ".5cm")
1237     (cal-tex-bf month-name )
1238     (cal-tex-e-parbox)
1239     (cal-tex-hspace "1cm")
1240     (cal-tex-scriptsize (eval cal-tex-daily-string))
1241     (cal-tex-hspace "3.5cm")
1242     (cal-tex-e-makebox)
1243     (cal-tex-hfill)
1244     (cal-tex-b-makebox "4cm" "r")
1245     (cal-tex-bf (calendar-day-name date))
1246     (cal-tex-e-makebox)
1247     (cal-tex-nl)
1248     (cal-tex-hspace ".4cm")
1249     (cal-tex-rule "0mm" "16.1cm" "1mm")
1250     (cal-tex-nl ".1cm")
1251     (calendar-for-loop i from cal-tex-daily-start to cal-tex-daily-end do
1252        (cal-tex-cmd "\\noindent")
1253        (setq hour (if cal-tex-24
1254                       i
1255                     (mod i 12)))
1256        (if (= 0 hour) (setq hour 12))
1257        (cal-tex-b-makebox "1cm" "c")
1258        (cal-tex-arg (number-to-string hour))
1259        (cal-tex-e-makebox)
1260        (cal-tex-rule "0mm" "15.5cm" ".2mm")
1261        (cal-tex-nl ".2cm")
1262        (cal-tex-b-makebox "1cm" "c")
1263        (cal-tex-arg "$\\diamond$" )
1264        (cal-tex-e-makebox)
1265        (cal-tex-rule "0mm" "15.5cm" ".2mm")
1266        (cal-tex-nl ".2cm"))
1267     (cal-tex-hfill)
1268     (insert (cal-tex-mini-calendar
1269              (extract-calendar-month (cal-tex-previous-month date))
1270              (extract-calendar-year (cal-tex-previous-month date))
1271              "lastmonth" "1.1in" "1in"))
1272     (insert (cal-tex-mini-calendar
1273              (extract-calendar-month date)
1274              (extract-calendar-year date)
1275              "thismonth" "1.1in" "1in"))
1276     (insert (cal-tex-mini-calendar
1277              (extract-calendar-month (cal-tex-next-month date))
1278              (extract-calendar-year (cal-tex-next-month date))
1279              "nextmonth" "1.1in" "1in"))
1280     (insert "\\hbox to \\textwidth{")
1281     (cal-tex-hfill)
1282     (insert "\\lastmonth")
1283     (cal-tex-hfill)
1284     (insert "\\thismonth")
1285     (cal-tex-hfill)
1286     (insert "\\nextmonth")
1287     (cal-tex-hfill)
1288     (insert "}")
1289     (cal-tex-banner "end of cal-tex-daily-page")))
1290
1291 ;;;
1292 ;;;  Mini calendars
1293 ;;;
1294
1295 (defun cal-tex-mini-calendar (month year name width height &optional ptsize colsep)
1296   "Produce mini-calendar for MONTH, YEAR in macro NAME with WIDTH and HEIGHT.
1297 Optional PTSIZE gives the point ptsize; scriptsize is the default.  Optional
1298 COLSEP gives the column separation; 1mm is the default."
1299   (let* ((blank-days;; at start of month
1300           (mod
1301            (- (calendar-day-of-week (list month 1 year))
1302               calendar-week-start-day)
1303            7))
1304           (last (calendar-last-day-of-month month year))
1305          (colsep (if colsep colsep "1mm"))
1306          (str (concat "\\def\\" name "{\\hbox to" width "{%\n"
1307                       "\\vbox to" height "{%\n"
1308                       "\\vfil  \\hbox to" width "{%\n"
1309                       "\\hfil\\"
1310                       (if ptsize ptsize "scriptsize")
1311                       "\\begin{tabular}"
1312                       "{@{\\hspace{0mm}}r@{\\hspace{" colsep
1313                       "}}r@{\\hspace{" colsep "}}r@{\\hspace{" colsep
1314                       "}}r@{\\hspace{" colsep "}}r@{\\hspace{" colsep
1315                       "}}r@{\\hspace{" colsep "}}r@{\\hspace{0mm}}}%\n"
1316                       "\\multicolumn{7}{c}{"
1317                       (calendar-month-name month)
1318                       " "
1319                       (int-to-string year)
1320                       "}\\\\[1mm]\n")))
1321     (calendar-for-loop i from 0 to 6 do
1322       (setq str (concat str
1323                         (substring (aref calendar-day-name-array
1324                                          (mod (+ calendar-week-start-day i) 7))
1325                                    0 2)
1326                         (if (/= i 6)
1327                             " & "
1328                           "\\\\[0.7mm]\n"))))
1329     (calendar-for-loop i from 1 to blank-days do
1330       (setq str (concat str " & ")))
1331     (calendar-for-loop i from 1 to last do
1332       (setq str (concat str (int-to-string i)))
1333       (setq str (concat str (if (zerop (mod (+ i blank-days) 7))
1334                                 (if (/= i last) "\\\\[0.5mm]\n" "")
1335                               " & "))))
1336     (setq str (concat str "\n\\end{tabular}\\hfil}\\vfil}}}%\n"))
1337    str))
1338
1339 ;;;
1340 ;;;  Various calendar functions
1341 ;;;
1342
1343 (defun cal-tex-incr-date (date &optional n)
1344   "The date of the day following DATE.
1345 If optional N is given, the date of N days after DATE."
1346   (calendar-gregorian-from-absolute
1347    (+ (if n n 1) (calendar-absolute-from-gregorian date))))
1348
1349 (defun cal-tex-latexify-list (date-list date &optional separator)
1350   "Return string with concatenated, LaTeXified entries in DATE_LIST for DATE.
1351 Use double backslash as a separator unless optional SEPARATOR is given."
1352   (mapconcat '(lambda (x) (cal-tex-LaTeXify-string  x))
1353              (let ((result)
1354                    (p date-list))
1355                (while p
1356                  (and (car (car p))
1357                       (calendar-date-equal date (car (car p)))
1358                       (setq result (append (cdr (car p)) result)))
1359                  (setq p (cdr p)))
1360                result)
1361              (if separator separator "\\\\")))
1362
1363 (defun cal-tex-previous-month (date)
1364   "Return the date of the first day in the month previous to DATE."
1365   (let* ((month (extract-calendar-month date))
1366          (year (extract-calendar-year date)))
1367     (increment-calendar-month month year -1)
1368     (list month 1 year)))
1369
1370 (defun cal-tex-next-month (date)
1371   "Return the date of the first day in the  month following DATE."
1372   (let* ((month (extract-calendar-month date))
1373          (year (extract-calendar-year date)))
1374     (increment-calendar-month month year 1)
1375     (list month 1 year)))
1376
1377 ;;;
1378 ;;;  LaTeX Code
1379 ;;;
1380
1381 (defun cal-tex-end-document ()
1382   "Finish the LaTeX document.
1383 Insert the trailer to LaTeX document, pop to LaTeX buffer, add
1384 informative header, and run HOOK."
1385   (cal-tex-e-document)
1386   (latex-mode)
1387   (pop-to-buffer cal-tex-buffer)
1388   (goto-char (point-min))
1389   (cal-tex-comment "       This buffer was produced by cal-tex.el.")
1390   (cal-tex-comment "       To print a calendar, type")
1391   (cal-tex-comment "          M-x tex-buffer RET")
1392   (cal-tex-comment "          M-x tex-print  RET")
1393   (goto-char (point-min)))
1394
1395 (defun cal-tex-insert-preamble (weeks landscape size &optional append)
1396   "Initialize the output buffer.
1397 Select the output buffer, and insert the preamble for a calendar of
1398 WEEKS weeks.  Insert code for landscape mode if LANDSCAPE is true.
1399 Use pointsize SIZE.  Optional argument APPEND, if t, means add to end of
1400 without erasing current contents."
1401   (let ((width "18cm")
1402         (height "24cm"))
1403     (if landscape
1404         (progn
1405           (setq width "24cm")
1406           (setq height "18cm")))
1407     (if (not append)
1408         (progn
1409           (cal-tex-preamble size)
1410           (if (not landscape)
1411             (progn
1412               (cal-tex-cmd "\\oddsidemargin -1.75cm")
1413               (cal-tex-cmd "\\def\\holidaymult{.06}"))
1414             (cal-tex-cmd "\\special{landscape}")
1415             (cal-tex-cmd "\\textwidth  9.5in")
1416             (cal-tex-cmd "\\textheight 7in")
1417             (cal-tex-comment)
1418             (cal-tex-cmd "\\def\\holidaymult{.08}"))
1419           (cal-tex-cmd  cal-tex-caldate)
1420           (cal-tex-cmd  cal-tex-myday)
1421           (cal-tex-b-document)
1422           (cal-tex-cmd "\\pagestyle{empty}")))
1423     (cal-tex-cmd "\\setlength{\\cellwidth}" width)
1424     (insert (format "\\setlength{\\cellwidth}{%f\\cellwidth}\n"
1425                     (/ 1.1 (length cal-tex-which-days))))
1426     (cal-tex-cmd "\\setlength{\\cellheight}" height)
1427     (insert (format "\\setlength{\\cellheight}{%f\\cellheight}\n"
1428                     (/ 1.0 weeks)))
1429     (cal-tex-cmd "\\ \\par")
1430     (cal-tex-vspace "-3cm")))
1431
1432 (defvar cal-tex-LaTeX-subst-list
1433   '(("\"". "``")
1434     ("\"". "''");; Quote changes meaning when list is reversed.
1435     ("@" . "\\verb|@|")
1436     ("&" . "\\&")
1437     ("%" . "\\%")
1438     ("$" . "\\$")
1439     ("#" . "\\#")
1440     ("_" . "\\_")
1441     ("{" . "\\{")
1442     ("}" . "\\}")
1443     ("<" . "$<$")
1444     (">" . "$>$")
1445     ("\n" . "\\ \\\\"))  ;\\ needed for e.g \begin{center}\n AA\end{center}
1446   "List of symbols and their replacements.")
1447
1448 (defun cal-tex-LaTeXify-string (string)
1449   "Protect special characters in STRING from LaTeX."
1450   (if (not string)
1451       ""
1452     (let ((head "")
1453           (tail string)
1454           (list cal-tex-LaTeX-subst-list))
1455       (while (not (string-equal tail ""))
1456         (let* ((ch (substring tail 0 1))
1457                (pair (assoc ch list)))
1458           (if (and pair (string-equal ch "\""))
1459               (setq list (reverse list)));; Quote changes meaning each time.
1460           (setq tail (substring tail 1))
1461           (setq head (concat head (if pair (cdr pair) ch)))))
1462       head)))
1463
1464 (defun cal-tex-hfill () "Insert hfill." (insert "\\hfill"))
1465
1466 (defun cal-tex-newpage () "Insert newpage." (insert "\\newpage%\n"))
1467
1468 (defun cal-tex-noindent () "Insert noindent." (insert "\\noindent"))
1469
1470 (defun cal-tex-vspace (space)
1471   "Insert vspace command to move SPACE vertically."
1472   (insert "\\vspace*{" space "}")
1473   (cal-tex-comment))
1474
1475 (defun cal-tex-hspace (space)
1476   "Insert hspace command to move SPACE horizontally."
1477   (insert "\\hspace*{" space "}")
1478   (cal-tex-comment))
1479
1480 (defun cal-tex-comment (&optional comment)
1481   "Insert % at end of line, include COMMENT if present, and move
1482    to next line."
1483   (insert "% ")
1484   (if comment
1485       (insert comment))
1486   (insert "\n"))
1487
1488 (defun cal-tex-banner (comment)
1489   "Insert the COMMENT separated by blank lines."
1490   (cal-tex-comment)
1491   (cal-tex-comment)
1492   (cal-tex-comment (concat "\t\t\t" comment))
1493   (cal-tex-comment))
1494
1495
1496 (defun cal-tex-nl (&optional skip comment)
1497   "End a line with \\.  If SKIP, then add that much spacing.
1498    Add COMMENT if present"
1499   (insert "\\\\")
1500   (if skip
1501       (insert "[" skip "]"))
1502   (cal-tex-comment comment))
1503
1504 (defun cal-tex-arg (&optional text)
1505   "Insert optional TEXT surrounded by braces."
1506   (insert "{")
1507   (if text (insert text))
1508   (insert "}"))
1509
1510 (defun cal-tex-cmd (cmd &optional arg)
1511   "Insert LaTeX CMD, with optional ARG, and end with %"
1512   (insert cmd)
1513   (cal-tex-arg arg)
1514   (cal-tex-comment))
1515
1516 ;;;
1517 ;;;   Environments
1518 ;;;
1519
1520 (defun cal-tex-b-document ()
1521   "Insert beginning of document."
1522   (cal-tex-cmd "\\begin{document}"))
1523
1524 (defun cal-tex-e-document ()
1525   "Insert end of document."
1526   (cal-tex-cmd "\\end{document}"))
1527
1528 (defun cal-tex-b-center ()
1529   "Insert beginning of centered block."
1530   (cal-tex-cmd "\\begin{center}"))
1531
1532 (defun cal-tex-e-center ()
1533   "Insert end of centered block."
1534   (cal-tex-comment)
1535   (cal-tex-cmd "\\end{center}"))
1536
1537
1538 ;;;
1539 ;;;  Boxes
1540 ;;;
1541
1542
1543 (defun cal-tex-b-parbox (position width)
1544   "Insert parbox with parameters POSITION and WIDTH."
1545   (insert "\\parbox[" position "]{" width "}{")
1546   (cal-tex-comment))
1547
1548 (defun cal-tex-e-parbox (&optional height)
1549   "Insert end of parbox. Force it to be a given HEIGHT."
1550   (cal-tex-comment)
1551   (if height
1552       (cal-tex-rule "0mm" "0mm" height))
1553   (insert "}")
1554   (cal-tex-comment "end parbox"))
1555
1556 (defun cal-tex-b-framebox ( width position )
1557   "Insert  framebox with parameters WIDTH and POSITION (clr)."
1558   (insert "\\framebox[" width "][" position "]{" )
1559   (cal-tex-comment))
1560
1561 (defun cal-tex-e-framebox ()
1562   "Insert end of framebox."
1563   (cal-tex-comment)
1564   (insert "}")
1565   (cal-tex-comment "end framebox"))
1566
1567
1568 (defun cal-tex-b-makebox ( width position )
1569   "Insert  makebox with parameters WIDTH and POSITION (clr)."
1570   (insert "\\makebox[" width "][" position "]{" )
1571   (cal-tex-comment))
1572
1573 (defun cal-tex-e-makebox ()
1574   "Insert end of makebox."
1575   (cal-tex-comment)
1576   (insert "}")
1577   (cal-tex-comment "end makebox"))
1578
1579
1580 (defun cal-tex-rule (lower width height)
1581   "Insert a rule with parameters LOWER WIDTH HEIGHT."
1582   (insert "\\rule[" lower "]{" width "}{" height "}"))
1583
1584 ;;;
1585 ;;;     Fonts
1586 ;;;
1587
1588 (defun cal-tex-em (string)
1589   "Insert STRING in bf font."
1590   (insert "{\\em " string "}"))
1591
1592 (defun cal-tex-bf (string)
1593   "Insert STRING in bf font."
1594   (insert "{\\bf " string "}"))
1595
1596 (defun cal-tex-scriptsize (string)
1597   "Insert STRING in scriptsize font."
1598   (insert "{\\scriptsize " string "}"))
1599
1600 (defun cal-tex-huge (string)
1601   "Insert STRING in huge size."
1602   (insert "{\\huge " string "}"))
1603
1604 (defun cal-tex-Huge (string)
1605   "Insert STRING in Huge size."
1606   (insert "{\\Huge " string "}"))
1607
1608 (defun cal-tex-Huge-bf (string)
1609   "Insert STRING in Huge bf size."
1610   (insert "{\\Huge\\bf " string "}"))
1611
1612 (defun cal-tex-large (string)
1613   "Insert STRING in large size."
1614   (insert "{\\large " string "}"))
1615
1616 (defun cal-tex-large-bf (string)
1617   "Insert STRING in large bf size."
1618   (insert "{\\large\\bf  " string "}"))
1619
1620 (provide 'cal-tex)
1621
1622 ;;; cal-tex.el ends here