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| -rw-r--r-- | libXfont/doc/fontlib.xml | 660 | ||||
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diff --git a/libXfont/doc/fontlib.css b/libXfont/doc/fontlib.css new file mode 100644 index 000000000..137200fcd --- /dev/null +++ b/libXfont/doc/fontlib.css @@ -0,0 +1,46 @@ +/* Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, and/or sell copies of the Software, and to permit persons + * to whom the Software is furnished to do so, provided that the above + * copyright notice(s) and this permission notice appear in all copies of + * the Software and that both the above copyright notice(s) and this + * permission notice appear in supporting documentation. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT + * OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + * HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Except as contained in this notice, the name of a copyright holder + * shall not be used in advertising or otherwise to promote the sale, use + * or other dealings in this Software without prior written authorization + * of the copyright holder. + */ + +.structname, .property, .errorname, .function, .parameter, .filename { + font-family: monospace; +} + +h1, .author, .pubdate { + text-align: center; +} + +.legalnotice { + text-align: justify; + font-size: small; + font-style: italic; +} + +.warning { + border: 1px solid red; + background: yellow; +} diff --git a/libXfont/doc/fontlib.xml b/libXfont/doc/fontlib.xml new file mode 100644 index 000000000..8b7245ef1 --- /dev/null +++ b/libXfont/doc/fontlib.xml @@ -0,0 +1,660 @@ +<?xml version="1.0" encoding="UTF-8" ?> +<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" + "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" > +<!-- lifted from troff+ms by doclifter --> +<!-- previous version was in xorg-docs/specs/Xserver/fontlib.ms --> + + <article id='fontlibms'> +<!-- .ps 12 --> +<!-- $Xorg: fontlib.ms,v 1.3 2000/08/17 19:42:42 cpqbld Exp $ --> +<!-- .EF 'Font Library Interface'\- % \-'July 27, 1991' --> +<!-- .OF 'Font Library Interface'\- % \-'July 27, 1991' --> +<!-- .EH '''' --> +<!-- .OH '''' --> +<!-- body begins here --> + <articleinfo> + <title> + The X Font Library + </title> + <pubdate>July 27, 1991</pubdate> + <authorgroup> + <author> + <firstname>Keith</firstname> + <surname>Packard</surname> + <affiliation> + <orgname>MIT X Consortium</orgname> + </affiliation> + </author> + <author> + <firstname>David</firstname> + <surname>Lemke</surname> + <affiliation> + <orgname>Network Computing Devices</orgname> + </affiliation> + </author> + </authorgroup> + <legalnotice> + <para> + Copyright 1993 <orgname>Network Computing Devices</orgname> + </para> + <para> + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby + granted without fee, provided that the above copyright + notice appear in all copies and that both that copyright + notice and this permission notice appear in supporting + documentation, and that the name of Network Computing + Devices not be used in advertising or publicity pertaining + to distribution of the software without specific, written + prior permission. Network Computing Devices makes no + representations about the suitability of this software for + any purpose. It is provided “as is” without + express or implied warranty. + </para> + <para> + Copyright 1993, 1994 <orgname>X Consortium</orgname> + </para> + <para> + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated + documentation files (the “Software”), to deal in the + Software without restriction, including without limitation + the rights to use, copy, modify, merge, publish, distribute, + sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, + subject to the following conditions: + </para><para> + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + </para><para> + THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY + OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO + THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR + PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE X + CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + </para><para> + Except as contained in this notice, the name of the X + Consortium shall not be used in advertising or otherwise to + promote the sale, use or other dealings in this Software + without prior written authorization from the X Consortium. + </para> + </legalnotice> + </articleinfo> + + <warning> + <para> + This document has not been updated since X11R6, and is likely + to be somewhat out of date for the current libXfont. + </para> + </warning> + + <para> + This document describes the data structures and interfaces for + using the X Font library. It is intended as a reference for + programmers building X and Font servers. You may want to refer + to the following documents: + </para> + + <itemizedlist> + <listitem> + <para> + <citetitle pubwork="article">Definition of the Porting Layer for + the X v11 Sample Server</citetitle> for a discussion on how this + library interacts with the X server + </para> + </listitem> + <listitem> + <para> + <citetitle pubwork="article">Font Server Implementation + Overview</citetitle> which discusses the design of the font + server. + </para> + </listitem> + <listitem> + <para> + <citetitle pubwork="article">Bitmap Distribution Format</citetitle> + which covers the contents of the bitmap font files which this + library reads; although the library is capable of reading other + formats as well, including non-bitmap fonts. + </para> + </listitem> + <listitem> + <para> + <citetitle pubwork="article">The X Font Service Protocol</citetitle> + for a description of the constraints placed on the design by + including support for this font service mechanism. + </para> + </listitem> + </itemizedlist> + + <para> + This document assumes the reader is familiar with the X server design, + the X protocol as it relates to fonts and the C programming language. + As with most MIT produced documentation, this relies heavily on the + source code, so have a listing handy. + </para> + + <sect1 id='requirements_for_the_font_library'> + <title> + Requirements for the Font library + </title> + + <para> + To avoid miles of duplicate code in the X server, the font server + and the various font manipulation tools, the font library should + provide interfaces appropriate for all of these tasks. In + particular, the X server and font server should be able to both + use the library to access disk based fonts, and to communicate + with a font server. By providing a general library, we hoped to + avoid duplicating code between the X server and font server. + </para> + + <para> + Another requirement is that the X server (or even a font server) + be able to continue servicing requests from other clients while + awaiting a response from the font server on behalf of one client. + This is the strongest requirement placed on the font library, and + has warped the design in curious ways. Because both the X server + and font server are single threaded, the font library must not + suspend internally, rather it returns an indication of suspension + to the application which continues processing other things, until + the font data is ready, at which time it restarts the suspended + request. + </para> + + <para> + Because the code for reading and manipulating bitmap font data is + used by the font applications <command>mkfontdir</command> and + <command>bdftopcf</command>, the font library includes + bitmap-font specific interfaces which those applications use, + instead of the more general interfaces used by the X and font + servers, which are unaware of the source of the font data. + These routines will be refered to as the bitmap font access + methods. + </para> + + </sect1> + + <sect1 id='general_font_library_interface_details'> + <title> + General Font Library Interface details. + </title> + + <para> + To avoid collision between the #define name space for errors, the Font + library defines a new set of return values: + </para> + + <programlisting remap='.nf'> +#define AllocError 80 +#define StillWorking 81 +#define FontNameAlias 82 +#define BadFontName 83 +#define Suspended 84 +#define Successful 85 +#define BadFontPath 86 +#define BadCharRange 87 +#define BadFontFormat 88 +#define FPEResetFailed 89 + </programlisting> <!-- .fi --> + + <para> + Whenever a routine returns <errorname>Suspended</errorname>, + the font library will notify the caller (via the ClientSignal + interface described below) who should then reinvoke the same routine + again with the same arguments. + </para> + + </sect1> + + <sect1 id='font_path_elements'> + <title> + Font Path Elements + </title> + + <para> + At the center of the general font access methods used by X and + <command>xfs</command> is the Font Path Element data structure. + Like most structures in the X server, this contains a collection + of data and some function pointers for manipulating this data: + </para> + + <programlisting remap='.nf'> +/* External view of font paths */ +typedef struct _FontPathElement { + int name_length; + char *name; + int type; + int refcount; + pointer private; +} FontPathElementRec, *FontPathElementPtr; + +typedef struct _FPEFunctions { + int (*name_check) ( /* name */ ); + int (*init_fpe) ( /* fpe */ ); + int (*reset_fpe) ( /* fpe */ ); + int (*free_fpe) ( /* fpe */ ); + int (*open_font) ( /* client, fpe, flags, + name, namelen, format, + fid, ppfont, alias */ ); + int (*close_font) ( /* pfont */ ); + int (*list_fonts) ( /* client, fpe, pattern, + patlen, maxnames, paths */ ); + int (*start_list_fonts_with_info) ( + /* client, fpe, name, namelen, + maxnames, data */ ); + int (*list_next_font_with_info) ( + /* client, fpe, name, namelen, + info, num, data */ ); + int (*wakeup_fpe) ( /* fpe, mask */ ); + int (*client_died) ( /* client, fpe */ ); +} FPEFunctionsRec, FPEFunctions; + </programlisting> <!-- .fi --> + + <para> + The function pointers are split out from the data structure to + save memory; additionally, this avoids any complications when + initializing the data structure as there would not be any way + to discover the appropriate function to call (a chicken and + egg problem). + </para> + + <para> + When a font path type is initialized, it passes the function + pointers to the server which are then stored in an + <structname>FPEFunctionsRec</structname>. Each function is + described below in turn. + </para> + + <sect2 id='name_check'> + <title> + (*name_check) + </title> + + <para> + Each new font path member is passed to this function; if + the return value is <errorname>Successful</errorname>, then + the FPE recognises the format of the string. This does not + guarantee that the FPE will be able to successfully use this + member. For example, the disk-based font directory file + <filename>fonts.dir</filename> may be corrupted, this will + not be detected until the font path is initialized. This + routine never returns <errorname>Suspended</errorname>. + </para> + </sect2> + + <sect2 id='init_fpe'> + <title> + (*init_fpe) + </title> + + <para> + Initialize a new font path element. This function prepares + a new font path element for other requests: the disk font + routine reads the <filename>fonts.dir</filename> and + <filename>fonts.alias</filename> files into the internal + format, while the font server routine connects to the + requested font server and prepares for using it. This + routine returns <errorname>Successful</errorname> if + everything went OK, otherwise the return value indicates the + source of the problem. This routine never returns + <errorname>Suspended</errorname>. + </para> + </sect2> + + <sect2 id='reset_fpe'> + <title> + (*reset_fpe) + </title> + + <para> + When the X font path is reset, and some of the new members + are also in the old font path, this function is called to + reinitialize those FPEs. This routine returns + <errorname>Successful</errorname> if everything went OK. It + returns <errorname>FPEResetFailed</errorname> if (for some + reason) the reset failed, and the caller should remove the + old FPE and simply create a new one in its place. This is + used by the disk-based fonts routine as resetting the + internal directory structures would be more complicated than + simply having destroying the old and creating a new. + </para> + </sect2> + + <sect2 id='free_fpe'> + <title> + (*free_fpe) + </title> + + <para> + When the server is finished with an FPE, this function is + called to dispose of any internal state. It should return + <errorname>Successful</errorname>, unless something terrible + happens. + </para> + </sect2> + + <sect2 id='open_font'> + <title> + (*open_font) + </title> + + <para> + This routine requests that a font be opened. The <parameter + class='function'>client</parameter> argument is used by the + font library only in connection with suspending/restarting + the request. The <parameter class='function'>flags</parameter> + argument specifies some behaviour for the library and can be + any of: + </para> + + <programlisting remap='.nf'> +/* OpenFont flags */ +#define FontLoadInfo 0x0001 +#define FontLoadProps 0x0002 +#define FontLoadMetrics 0x0004 +#define FontLoadBitmaps 0x0008 +#define FontLoadAll 0x000f +#define FontOpenSync 0x0010 + </programlisting> <!-- .fi --> + + <para> + The various fields specify which portions of the font should + be loaded at this time. When <constant>FontOpenSync</constant> + is specified, this routine will not return until all of the + requested portions are loaded. Otherwise, this routine may + return <errorname>Suspended</errorname>. When the presented + font name is actually an alias for some other font name, + <errorname>FontNameAlias</errorname> is returned, and the + actual font name is stored in the location pointed to by the + <parameter class='function'>alias</parameter> argument as a + null-terminated string. + </para> + </sect2> + + <sect2 id='close_font'> + <title> + (*close_font) + </title> + + <para> + When the server is finished with a font, this routine + disposes of any internal state and frees the font data + structure. + </para> + </sect2> + + <sect2 id='list_fonts'> + <title> + (*list_fonts) + </title> + + <para> + The <parameter class='function'>paths</parameter> argument is + a data structure which will be filled with all of the font names + from this directory which match the specified + <parameter class='function'>pattern</parameter>. At + most <parameter class='function'>maxnames</parameter> will be added. + This routine may return <errorname>Suspended</errorname>. + </para> + </sect2> + + <sect2 id='start_list_fonts_with_info'> + <title> + (*start_list_fonts_with_info) + </title> + + <para> + This routine sets any internal state for a verbose listing of + all fonts matching the specified pattern. This routine may + return <errorname>Suspended</errorname>. + </para> + </sect2> + + <sect2 id='list_next_font_with_info'> + <title> + (*list_next_font_with_info) + </title> + + <para> + To avoid storing huge amounts of data, the interface for + ListFontsWithInfo allows the server to get one reply at a time + and forward that to the client. When the font name returned + is actually an alias for some other font, + <errorname>FontNameAlias</errorname> will be returned. The + actual font name is return instead, and the font alias which + matched the pattern is returned in the location pointed to by + data as a null-terminated string. The caller can then get the + information by recursively listing that font name with a + maxnames of 1. When <errorname>Successful</errorname> is + returned, the matching font name is returned, and a + FontInfoPtr is stored in the location pointed to by + <parameter class='function'>data</parameter>. + <parameter class='function'>Data</parameter> must be initialized + with a pointer to a FontInfoRec allocated by the caller. When the + pointer pointed to by <parameter class='function'>data</parameter> + is not left pointing at that storage, the caller mustn't free the + associated property data. This routine may return + <errorname>Suspended</errorname>. + </para> + </sect2> + + <sect2 id='wakeup_fpe'> + <title> + (*wakeup_fpe) + </title> + + <para> + Whenever an FPE function has returned + <errorname>Suspended</errorname>, this routine is called + whenever the application wakes up from waiting for input + (from <citerefentry><refentrytitle>select</refentrytitle> + <manvolnum>2</manvolnum></citerefentry>). This + <parameter class='function'>mask</parameter> argument should be + the value returned from <function>select(2)</function>. + </para> + </sect2> + + <sect2 id='client_died'> + <title> + (*client_died) + </title> + + <para> + When an FPE function has returned <errorname>Suspended</errorname> + and the associated client is being destroyed, this function + allows the font library to dispose of any state associated + with that client. + </para> + </sect2> + </sect1> + + <sect1 id='fonts'> + <title> + Fonts + </title> + + <para> + The data structure which actually contains the font information has + changed significantly since previous releases; it now attempts to + hide the actual storage format for the data from the application, + providing accessor functions to get at the data. This allows a + range of internal details for different font sources. The structure + is split into two pieces, so that ListFontsWithInfo can share + information from the font when it has been loaded. The + <structname>FontInfo</structname> structure, then, contains only + information germane to LFWI. + </para> + + <programlisting remap='.nf'> +typedef struct _FontInfo { + unsigned short firstCol; /* range of glyphs for this font */ + unsigned short lastCol; + unsigned short firstRow; + unsigned short lastRow; + unsigned short defaultCh; /* default character index */ + unsigned int noOverlap:1; /* no combination of glyphs overlap */ + unsigned int terminalFont:1; /* Character cell font */ + unsigned int constantMetrics:1; /* all metrics are the same */ + unsigned int constantWidth:1; /* all character widths are the same*/ + unsigned int inkInside:1; /* all ink inside character cell */ + unsigned int inkMetrics:1; /* font has ink metrics */ + unsigned int allExist:1; /* no missing chars in range */ + unsigned int drawDirection:2; /* left-to-right/right-to-left*/ + unsigned int cachable:1; /* font needn't be opened each time*/ + unsigned int anamorphic:1; /* font is strangely scaled */ + short maxOverlap; /* maximum overlap amount */ + short pad; /* unused */ + xCharInfo maxbounds; /* glyph metrics maximums */ + xCharInfo minbounds; /* glyph metrics minimums */ + xCharInfo ink_maxbounds; /* ink metrics maximums */ + xCharInfo ink_minbounds; /* ink metrics minimums */ + short fontAscent; /* font ascent amount */ + short fontDescent; /* font descent amount */ + int nprops; /* number of font properties */ + FontPropPtr props; /* font properties */ + char *isStringProp; /* boolean array */ +} FontInfoRec, *FontInfoPtr; + </programlisting> <!-- .fi --> + + <para> + The font structure, then, contains a font info record, the format of + the bits in each bitmap and the functions which access the font + records (which are stored in an opaque format hung off of + <structfield>fontPrivate</structfield>). + </para> + + <programlisting remap='.nf'> +typedef struct _Font { + int refcnt; + FontInfoRec info; + char bit; /* bit order: LSBFirst/MSBFirst */ + char byte; /* byte order: LSBFirst/MSBFirst */ + char glyph; /* glyph pad: 1, 2, 4 or 8 */ + char scan; /* glyph scan unit: 1, 2 or 4 */ + fsBitmapFormat format; /* FS-style format (packed) */ + int (*get_glyphs) ( /* font, count, chars, encoding, count, glyphs */ ); + int (*get_metrics) ( /* font, count, chars, encoding, count, glyphs */ ); + int (*get_bitmaps) ( /* client, font, flags, format, + flags, nranges, ranges, data_sizep, + num_glyphsp, offsetsp, glyph_datap, + free_datap */ ); + int (*get_extents) ( /* client, font, flags, nranges, + ranges, nextentsp, extentsp */); + void (*unload_font) ( /* font */ ); + FontPathElementPtr fpe; /* FPE associated with this font */ + pointer svrPrivate; /* X/FS private data */ + pointer fontPrivate; /* private to font */ + pointer fpePrivate; /* private to FPE */ + int maxPrivate; /* devPrivates (see below) */ + pointer *devPrivates; /* ... */ +} FontRec, *FontPtr; + </programlisting> <!-- .fi --> + + <para> + Yes, there are several different private pointers in the + <structfield>Font</structfield> structure; they were added + haphazardly until the devPrivate pointers were added. Future + releases may remove some (or all) of the specific pointers, + leaving only the <structfield>devPrivates</structfield>mechanism. + </para> + + <para> + There are two similar interfaces implemented - + <structfield>get_glyphs</structfield>/<structfield>get_metrics</structfield> + and + <structfield>get_bitmaps</structfield>/<structfield>get_extents</structfield>. + Too little time caused the font-server specific interfaces to + be placed in the font library (and portions duplicated in each + renderer) instead of having them integrated into the font server + itself. This may change. The X server uses only + <structfield>get_glyphs</structfield>/<structfield>get_metrics</structfield>, + and those will not change dramatically. Each of the routines + is described below. + </para> + + <sect2 id='get_glyphs'> + <title> + (*get_glyphs) + </title> + + <para> + This routine returns <structname>CharInfoPtrs</structname> + for each of the requested characters in the font. If the + character does not exist in the font, the default character + will be returned, unless no default character exists in + which case that character is skipped. Thus, the number of + glyphs returned will not always be the same as the number of + characters passed in. + </para> + </sect2> + + <sect2 id='get_metrics'> + <title> + (*get_metrics) + </title> + + <para> + This is similar to <structfield>(*get_glyphs)</structfield> + except that pointers to <structname>xCharInfo</structname> + structures are returned, and, if the font has ink metrics, + those are returned instead of the bitmap metrics. + </para> + </sect2> + + <sect2 id='getbitmaps'> + <title> + (*get_bitmaps) + </title> + + <para> + This packs the glyph image data in the requested + <parameter class='function'>format</parameter> and returns it. The + <parameter class='function'>ranges</parameter>/<parameter class='function'>nranges</parameter> + argument specify the set of glyphs from the font to pack together. + </para> + </sect2> + + <sect2 id='get_extents'> + <title> + (*get_extents) + </title> + + <para> + This returns the metrics for the specified font from the + specified <parameter class='function'>ranges</parameter>. + </para> + + </sect2> + + <sect2 id='unload_font'> + <title> + (*unload_font) + </title> + + <para> + This is called from the FPE routine + <function>(*close_font)</function>, and so should not ever be + called from the application. + </para> + </sect2> + + <sect2 id='maxprivate'> + <title> + maxPrivate + </title> + + <para> + When initializing a new font structure, + <structfield>maxPrivate</structfield> should be set to -1 so + that the <function>FontSetPrivate()</function> macro works + properly with an index of 0. Initializing + <structfield>maxPrivate</structfield> to 0 can cause + problems if the server tries to set something at index 0. + </para> + </sect2> + </sect1> + </article> diff --git a/libXfont/doc/fontlib.xsl b/libXfont/doc/fontlib.xsl new file mode 100644 index 000000000..644f147d4 --- /dev/null +++ b/libXfont/doc/fontlib.xsl @@ -0,0 +1,38 @@ +<?xml version="1.0" encoding="utf-8"?> +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" + version="1.0"> + <!-- + Copyright 2009 Sun Microsystems, Inc. All rights reserved. + + Permission is hereby granted, free of charge, to any person obtaining a + copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, and/or sell copies of the Software, and to permit persons + to whom the Software is furnished to do so, provided that the above + copyright notice(s) and this permission notice appear in all copies of + the Software and that both the above copyright notice(s) and this + permission notice appear in supporting documentation. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT + OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + Except as contained in this notice, the name of a copyright holder + shall not be used in advertising or otherwise to promote the sale, use + or other dealings in this Software without prior written authorization + of the copyright holder. + --> + + <xsl:param name="html.stylesheet" select="'fontlib.css'"/> + <xsl:param name="chunker.output.indent">yes</xsl:param> + <xsl:param name="html.extra.head.links" select="1"></xsl:param> + <xsl:param name="saxon.character.representation" select="'entity;decimal'"></xsl:param> + <xsl:param name="function.parens" select="0"></xsl:param> +</xsl:stylesheet> |