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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
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+Last updated: Fri Feb 7 11:00:13 CET 2003
+
+
+This directory contains some proposals for extensions to TeX
+which I have implemented in a series of change files. These
+have only been tested with web2c 7.2 as contained on the
+TeX live III CD.
+
+glue/glue.ch and glue/glue-post-web2c.ch:
+ Adapt Knuth's glue.web to replace all cases of floating-point
+ arithmetic in TeX by fixed-point counterparts. To make this
+ change file work, you must also apply the patch glue/glueratio.patch
+ and compile with XCFLAGS=-DHAVE_GLUERATIO_TYPE.
+
+hyphenation/classes.ch:
+ Implements hyphen classes. There is a corresponding change file
+ patgen-hyf.ch which enables patgen to produce patterns for multiple
+ hyphen classes.
+
+hyphenation/count.ch:
+ Implements demerits for more than 2 consecutive hyphens.
+
+ (The changes in classes.ch and count.ch are described in more detail
+ in hyphenation/hyphenation.tex. There is a combined change file
+ hyphenation/hyphenation.ch.)
+
+math/accent.ch:
+ Implements nestable and under math accents.
+
+math/cramp.ch:
+ Implements primitives to switch to cramped styles.
+
+math/radical.ch:
+ Implements generalized radicals with a left and right delimiter.
+
+math/fraction.ch:
+ Implements \mathstyle and \fraction.
+
+ (There is a combined change file math/math.ch.)
+
+hz/hz.ch and hz/hz-post-web2c.ch:
+ Implement the hz-algorithm, ie using variants of a font to achieve
+ better justification.
+
+hz/hz-glue.ch;
+ Removes the floating-point operations reintroduced by hz.ch.
+ This can only be used in conjunction with glue.ch.
+
+margin/margin.ch and margin/margin-post-web2c.ch:
+ Implement \marginchar for hanging punctuation and hyphenation and
+ optical margin correction. This can currently only be used *after*
+ hz.ch.
+
+These change files can all be used together with the three change files
+in this directory in the following order (assuming web2c.ch is the
+tex.ch change file coming with web2c):
+
+pre.ch classes.ch count.ch accent.ch cramp.ch radical.ch fraction.ch
+glue.ch hz.ch hz-glue.ch margin.ch pre-web2c.ch web2c.ch post-web2c.ch
+glue-post-web2c.ch hz-post-web2c.ch margin-post-web2c.ch
+
+Since this list is rather long, you will need more than one
+run of tie/webmerge to create a single change file. Alternatively,
+it should be possible to use only a subset of the above list.
+
+There are also some example files. All example files are
+present with tex, dvi and log files. To avoid messing with the
+fonts, you can also use the ps versions (generated with
+dvips -D600 -mode ljfive).
+
+examples/example1/*:
+ Multiple hyphen classes. This file must be processed
+ with initex, since it uses \patterns. For this example, the
+ log file is more interesting than the dvi file.
+
+examples/example2/*:
+ Demerits for more than 2 consecutive hyphens. LaTeX file.
+
+examples/example3/*:
+ The various math features. This LaTeX file uses the fonts
+ tf5, tf7, and tf10 whose source can be found in the same
+ directory.
+
+examples/example4/*:
+ The hz-algorithm. This LaTeX file uses the fonts
+ hz1cmr10,...,hz6cmr10 whose source can be found in the same
+ directory.
+ There are also some gifs which compare glyphs at different
+ extension factors.
+
+examples/example5/*:
+ Hanging punctuation/hyphenation. The LaTeX file uses the font
+ ocmr10, whose source can be found in the same directory.
+
+examples/example6/*:
+ Another example showing the hz-Algorithm. This time demonstrating
+ a prototype for a LaTeX-interface integrated with NFSS.
+
+I'd be glad to hear comments on the ideas and their implementation!
+
+
+
+Matthias Clasen maclas@gmx.de