* src/devices/grohtml/grohtml.man: Updated manual page regarding

* src/devices/grohtml/grohtml.man: Updated manual page regarding
simple anchor.
* src/preproc/html/pre-html.cc (createImage): Fixed right hand
cropping of images.
(removeTempFiles): New function to tidy up temporary files.
* src/preproc/html/pre-html.cc (main): Calls `removeTempFiles()'.
Many fixes to do with the new inline suppress node and image regions
are much tighter.
* src/devices/grohtml/post-html.cc: New method `is_auto_img'.
(generate_img_src): New function.
(html_printer::do_auto_image): Utilizes it.
(do_heading, do_title): Include inline images within their contents.
(html_printer::begin_page): Tidied up comments that are issued to
the html output file.
(html_printer::do_fill): Fixed so that `.nf' works with fonts other
than courier.
(text_glob::is_br): New method used by do_heading.
* tmac/s.tmac: If -Thtml then emit $1 in .IP rather than its
equivalent diversion.
* src/include/html-strings.h: Altered image tags to reflect the
inline image node.
* src/include/htmlindicate.h (html_end_suppress): Added `is_inline'
parameter.
* src/preproc/eqn/main.cc: Will suppress generation of image tags if
it is already inside a pic image.  Only emit tags if the argument
`-Tps:html' is present.
* src/preproc/tbl/main.cc: Changes to reflect additional
`html_end_suppress' parameter.
* src/roff/troff/env.cc: Only emit eol tag if a node has been
emitted since the last eol tag was written.
* src/roff/troff/env.h: New boolean `emitted_node'.
* src/roff/troff/input.cc (do_suppress): Handles extra suppress
nodes O3, O4, O5.  No longer use `output_low_mark_miny'.
* src/roff/troff/node.cc (check_charinfo): New method.
(troff_output_file::determine_line_limits): Alterations to limit
checking.
* tmac/www.tmac: Changes to reflect new suppress nodes.

* src/devices/grohtml/post-html.cc (html_printer::add_to_sbuf):
Escape the html_glyph in the buffer.
(str_translate_to_html): Output the unescaped escaped_char.
* src/devices/grohtml/html-text.cc (issue_table_begin): Set
`frame=void', not `frame=none'.  Add `border=0'.

* contrib/mm/groff_mm.man: Fixing some typos.

* PROBLEMS: Add some words on how to avoid wrapper macros.

* doc/groff.texinfo: Improve documentation of troff's -a option.
Documentation for pic added (doc/pic.ms).