diff options
Diffstat (limited to '')
| -rw-r--r-- | src/devices/grohtml/grohtml.1.man | 731 |
1 files changed, 731 insertions, 0 deletions
diff --git a/src/devices/grohtml/grohtml.1.man b/src/devices/grohtml/grohtml.1.man new file mode 100644 index 0000000..2243b47 --- /dev/null +++ b/src/devices/grohtml/grohtml.1.man @@ -0,0 +1,731 @@ +.TH grohtml @MAN1EXT@ "@MDATE@" "groff @VERSION@" +.SH Name +grohtml, post\-grohtml, pre\-grohtml \- +.I groff +output driver for HTML +. +. +.\" ==================================================================== +.\" Legal Terms +.\" ==================================================================== +.\" +.\" Copyright (C) 1999-2022 Free Software Foundation, Inc. +.\" +.\" Permission is granted to make and distribute verbatim copies of this +.\" manual provided the copyright notice and this permission notice are +.\" preserved on all copies. +.\" +.\" Permission is granted to copy and distribute modified versions of +.\" this manual under the conditions for verbatim copying, provided that +.\" the entire resulting derived work is distributed under the terms of +.\" a permission notice identical to this one. +.\" +.\" Permission is granted to copy and distribute translations of this +.\" manual into another language, under the above conditions for +.\" modified versions, except that this permission notice may be +.\" included in translations approved by the Free Software Foundation +.\" instead of in the original English. +. +. +.\" Save and disable compatibility mode (for, e.g., Solaris 10/11). +.do nr *groff_grohtml_1_man_C \n[.cp] +.cp 0 +. +.\" Define fallback for groff 1.23's MR macro if the system lacks it. +.nr do-fallback 0 +.if !\n(.f .nr do-fallback 1 \" mandoc +.if \n(.g .if !d MR .nr do-fallback 1 \" older groff +.if !\n(.g .nr do-fallback 1 \" non-groff *roff +.if \n[do-fallback] \{\ +. de MR +. ie \\n(.$=1 \ +. I \%\\$1 +. el \ +. IR \%\\$1 (\\$2)\\$3 +. . +.\} +.rr do-fallback +. +. +.\" ==================================================================== +.SH Synopsis +.\" ==================================================================== +. +.SY pre\-grohtml +.RB [ \-epV ] +.RB [ \-a +.IR anti-aliasing-text-bits ] +.RB [ \-D +.IR image-directory ] +.RB [ \-F +.IR font-directory ] +.RB [ \-g +.IR anti-aliasing-graphic-bits ] +.RB [ \-i +.IR resolution ] +.RB [ \-I +.IR image-stem ] +.RB [ \-o +.IR image-vertical-offset ] +.RB [ \-x +.IR html-dialect ] +.I troff-command +.I troff-argument +\&.\|.\|. +.YS +. +. +.SY pre\-grohtml +.B \-\-help +.YS +. +. +.SY pre\-grohtml +.B \-v +. +.SY pre\-grohtml +.B \-\-version +.YS +. +. +.SY post\-grohtml +.RB [ \-bCGhlnrVy ] +.RB [ \-F +.IR font-directory ] +.RB [ \-j +.IR output-stem ] +.RB [ \-s +.IR base-point-size ] +.RB [ \-S +.IR heading-level ] +.RB [ \-x +.IR html-dialect ] +.RI [ file\~ .\|.\|.] +.YS +. +. +.SY post\-grohtml +.B \-\-help +.YS +. +. +.SY post\-grohtml +.B \-v +. +.SY post\-grohtml +.B \-\-version +.YS +. +. +.\" ==================================================================== +.SH Description +.\" ==================================================================== +. +The GNU +.I roff +system's HTML support consists of a preprocessor, +.IR \%pre\-grohtml , +and an output driver, +.IR \%post\-grohtml ; +together, +they translate +.MR roff @MAN7EXT@ +documents to HTML. +. +Because a preprocessor is (uniquely) required for this output driver, +users should invoke +.I \%grohtml +via the +.MR groff @MAN1EXT@ +command with the +.B \-Thtml +or +.B \-Txhtml +options. +. +(In this installation, +.B @DEVICE@ +is the default output device.) +. +Use +.IR groff 's +.B \-P +option to pass any options shown above to +.IR \%grohtml . +. +If no operands are given, +or if +.I file +is +.RB \[lq] \- \[rq], +.I \%grohtml +reads the standard input stream. +. +Output is written to the standard output stream. +. +. +.P +.I \%grohtml +invokes +.I groff +twice. +. +In the first pass, +the preprocessor +.I \%pre\-grohtml +renders +pictures, +equations, +and tables as images in PostScript format using the +.B ps +output device. +. +In the second pass, +the output driver +.I \%post\-grohtml +translates the output of +.MR @g@troff @MAN1EXT@ +to HTML. +. +. +.P +.I \%grohtml +writes output encoded in \%UTF-8 and has built-in HTML entities for all +non-composite Unicode characters. +. +In spite of this, +.I groff +may issue warnings about unknown special characters if they can't be +found during the first pass. +. +Such warnings can be safely ignored unless the special characters +appear inside a table or equation. +. +. +.\" ==================================================================== +.SS Typefaces +.\" ==================================================================== +. +.I \%grohtml +supports the standard four styles: +.B R +(roman), +.B I +.RI ( italic ), +.B B +.RB ( bold ), +and +.B BI +(\f[BI]bold-italic\f[]). +. +Fonts are grouped into families +.B T +and +.B C +having members in each style. +. +. +.RS +.TP +.B TR +Times roman +. +.TQ +.B TI +Times italic +. +.TQ +.B TB +Times bold +. +.TQ +.B TBI +Times bold-italic +. +.TQ +.B CR +Courier roman +. +.TQ +.B CI +Courier italic +. +.TQ +.B CB +Courier bold +. +.TQ +.B CBI +Courier bold-italic +.RE +. +. +.P +A special font, +.BR S , +is also provided to accommodate +.I roff +documents that expect it to always be available. +. +. +.\" ==================================================================== +.SS "Font description files" +.\" ==================================================================== +. +The font description files used with +.I \%grohtml +expose the same glyph repertoire in their +.B charset +sections. +. +See +.MR groff_font @MAN5EXT@ . +. +. +.\" ==================================================================== +.SS Dependencies +.\" ==================================================================== +. +.I \%pre\-grohtml +generates an image whenever an +.I @g@eqn +equation, +.I @g@tbl +table, +or +.I @g@pic +picture is encountered in the input. +. +.I \%grohtml +therefore may run several commands as part of its operation. +. +These include the \%Netpbm tools +.IR \%pnmcrop , +.IR \%pnmcut , +and +.IR \%pnmtopng ; +\%Ghostscript +.RI ( gs ); +and the \%PSUtils tool +.IR \%psselect . +. +. +.\" ==================================================================== +.SH Options +.\" ==================================================================== +. +.B \-\-help +displays a usage message, +while +.B \-v +and +.B \-\-version +show version information; +all exit afterward. +. +. +.TP +.BI \-a \~anti-aliasing-text-bits +Number of bits of antialiasing information to be used by text when +generating PNG images. +. +The default +.RB is\~ 4 +but +.BR 0 , +.BR 1 , +and +.B 2 +are also valid. +. +Your system's version of +.I gs +must support the +.B \%\-dTextAlphaBits +option in order to exploit antialiasing. +.\" XXX: How antiquated are the ones that don't? Get rid of this? +. +A value +.RB of\~ 0 +stops +.I \%grohtml +from issuing antialiasing commands to +.IR gs . +. +. +.TP +.B \-b +Initialize the background color to white. +. +. +.TP +.B \-C +Suppress output of \[lq]CreationDate:\[rq] HTML comment. +. +. +.TP +.BI \-D \~image-directory +Instruct +.I \%grohtml +to place all image files into directory +.IR image-directory . +. +. +.TP +.B \-e +Direct +.I @g@eqn +to produce MathML. +. +. +.IP +This option should not be manually specified; +it is synthesized by +.I groff +depending on whether it was given the +.B \-Thtml +or +.B \-Txhtml +option. +. +. +.TP +.BI \-F \~font-directory +Prepend directory +.RI font-directory /dev name +to the search path for font and device description files; +.I name +is the name of the device, +usually +.BR html . +. +. +.TP +.BI \-g \~anti-aliasing-graphic-bits +Number of bits of antialiasing information to be used by graphics when +generating PNG images. +. +The default +.RB is\~ 4 +but +.BR 0 , +.BR 1 , +and +.B 2 +are also valid. +. +Your system's version of +.I gs +must support the +.B \%\-dGraphicAlphaBits +option in order to exploit antialiasing. +.\" XXX: How antiquated are the ones that don't? Get rid of this? +. +A value +.RB of\~ 0 +stops +.I \%grohtml +from issuing antialiasing commands to +.IR gs . +. +. +.TP +.B \-G +Suppress output of \[lq]Creator:\[rq] HTML comment. +. +. +.TP +.B \-h +Generate section headings by using HTML +.B B +elements and increasing the font size, +rather than HTML +.B H +elements. +. +. +.TP +.BI \-i \~resolution +Set the image resolution in pixels per inch; +the default +.RB is\~ 100 . +. +. +.TP +.BI \-I \~image-stem +Determine the image file name stem. +. +If omitted, +.I \%grohtml +uses +.IR \%grohtml\- XXXXX +(where +.I XXXXX +is the process ID). +. +A dash is appended to the stem to separate it from the following image +number. +. +. +.TP +.BI \-j \~output-stem +Instruct +.I \%grohtml +to split the HTML output into multiple files. +. +Output is written to a new file at each section heading +(but see option +.B \-S +below) +named +.IR output-stem\- n .html . +. +. +.TP +.B \-l +Turn off the production of automatic section links at the top of the +document. +. +. +.TP +.B \-n +Generate simple heading anchors whenever a section/number heading is +found. +. +Without the option the anchor value is the textual heading. +. +This can cause problems when a heading contains a \[lq]?\[rq] on older +versions of some browsers. +. +This feature is automatically enabled if a heading contains an image. +. +. +.TP +.BI \-o \~image-vertical-offset +Specify the vertical offset of images in points. +. +. +.TP +.B \-p +Display page rendering progress to the standard error stream. +. +.I \%grohtml +displays a page number only when an image is required. +. +. +.TP +.B \-r +Turn off the automatic header and footer line +(HTML rule). +. +. +.TP +.BI \-s \~base-type-size +Set the document's base type size in points. +. +When this size is used in the source, +it corresponds to the HTML base type size. +. +Every increase of two points in the source will produce a +.RB \[lq] big \[rq] +element, +and conversely when a decrease of two points is seen, +a +.RB \[lq] small \[rq] +element is emitted. +. +. +.TP +.BI \-S \~heading-level +When splitting HTML output +(see option +.B \-j +above), +split at each nested heading level defined by +.IR heading-level , +or higher). +. +The default is +.BR 1 . +. +. +.TP +.B \-V +Create an XHTML or HTML validator button at the bottom of each page of +the document. +. +. +.TP +.BI \-x \~html-dialect +Select HTML dialect. +. +Currently, +.I html-dialect +should be either the +.RB digit\~ 4 +or the +.RB letter\~ x , +which indicates whether +.I \%grohtml +should generate HTML\~4 or XHTML, +respectively. +. +. +.IP +This option should not be manually specified; +it is synthesized by +.I groff +depending on whether it was given the +.B \-Thtml +or +.B \-Txhtml +option. +. +. +.TP +.B \-y +Produce a right-aligned +.I groff +signature at the end of the document +(only if +.B \-V +is also specified). +. +. +.\" ==================================================================== +.SH Environment +.\" ==================================================================== +. +.TP +.I GROFF_FONT_PATH +lists directories in which to search for +.IR devhtml , +.IR grohtml 's +directory of device and font description files. +. +See +.MR @g@troff @MAN1EXT@ +and +.MR groff_font @MAN5EXT@ . +. +. +.TP +.I SOURCE_DATE_EPOCH +A timestamp +(expressed as seconds since the Unix epoch) +to use as the output creation timestamp in place of the current time. +. +The time is converted to human-readable form using +.MR ctime 3 +and recorded in an HTML comment. +. +. +.TP +.I TZ +The time zone to use when converting the current time +(or value of +.IR SOURCE_DATE_EPOCH ) +to human-readable form; +see +.MR tzset 3 . +. +. +.\" ==================================================================== +.SH Files +.\" ==================================================================== +. +.TP +.I @FONTDIR@/\:\%devhtml/\:DESC +describes the +.B html +output device. +. +. +.TP +.IR @FONTDIR@/\:\%devhtml/ F +describes the font known +.RI as\~ F +on device +.BR html . +. +. +.TP +.I @MACRODIR@/\:html\:.tmac +defines font mappings, +special characters, +and colors for use with the +.B html +output device. +. +It is automatically loaded by +.I \%troffrc +when either of the +.B html +or +.B xhtml +output devices is selected. +. +. +.TP +.I @MACRODIR@/\:html\-end\:.tmac +finalizes setup of the +.B html +output device. +. +It is automatically loaded by +.I \%troffrc\-end +when either of the +.B html +or +.B xhtml +output devices is selected. +. +. +.P +.I \%grohtml +uses temporary files. +. +See +.MR groff @MAN1EXT@ +for details about where such files are created. +. +. +.\" ==================================================================== +.SH Bugs +.\" ==================================================================== +. +.I \%grohtml +is still beta code. +. +. +.PP +.I \%grohtml +does not truly support hyphenation, +but you can fool it into hyphenating long input lines, +which can appear in HTML output with a hyphenated word followed by a +space but no line break. +. +. +.\" ==================================================================== +.SH "See also" +.\" ==================================================================== +. +.\" IR afmtodit (@MAN1EXT@), +.MR groff @MAN1EXT@ , +.MR @g@troff @MAN1EXT@ , +.\" IR psbb (1), \" XXX: what is this? +.\" IR groff_out (@MAN5EXT@), +.\" IR groff_char (@MAN7EXT@), +.MR groff_font @MAN5EXT@ +. +. +.\" Restore compatibility mode (for, e.g., Solaris 10/11). +.cp \n[*groff_grohtml_1_man_C] +.do rr *groff_grohtml_1_man_C +. +. +.\" Local Variables: +.\" fill-column: 72 +.\" mode: nroff +.\" End: +.\" vim: set filetype=groff textwidth=72: |