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authorNorbert Preining <norbert@preining.info>2022-10-20 03:04:26 +0000
committerNorbert Preining <norbert@preining.info>2022-10-20 03:04:26 +0000
commit3b961a61ef9fb89adf20a89550d5de0bfe135448 (patch)
treee36f997e624c704dbb4ed2b5fdbd02835ea3c133 /support/TeX4ht
parent7b6cdf4c23e6ed232601dabc70f5553a8dee9c9b (diff)
CTAN sync 202210200304
Diffstat (limited to 'support/TeX4ht')
-rw-r--r--support/TeX4ht/source/ChangeLog6
-rw-r--r--support/TeX4ht/source/tex4ht-html4.tex17
2 files changed, 22 insertions, 1 deletions
diff --git a/support/TeX4ht/source/ChangeLog b/support/TeX4ht/source/ChangeLog
index f291004937..b88a67a074 100644
--- a/support/TeX4ht/source/ChangeLog
+++ b/support/TeX4ht/source/ChangeLog
@@ -1,3 +1,9 @@
+2022-10-19 Michal Hoftich <michal.h21@gmail.com>
+
+ * tex4ht-html4.tex (html4-math.4ht): calculate vertical alignment
+ for inline math.
+ https://tex.stackexchange.com/a/662257/2891
+
2022-10-17 Michal Hoftich <michal.h21@gmail.com>
* tex4ht-4ht.tex (latex.4ht): declare \Configure{MathJaxSource} as
diff --git a/support/TeX4ht/source/tex4ht-html4.tex b/support/TeX4ht/source/tex4ht-html4.tex
index 145cb1ae28..d72179ac89 100644
--- a/support/TeX4ht/source/tex4ht-html4.tex
+++ b/support/TeX4ht/source/tex4ht-html4.tex
@@ -1,4 +1,4 @@
-% $Id: tex4ht-html4.tex 1203 2022-09-29 13:51:29Z michal_h21 $
+% $Id: tex4ht-html4.tex 1218 2022-10-19 12:57:24Z michal_h21 $
% Compile 4 times: latex tex4ht-html4
% Copy html4.4ht into the work directory before all but the last compilation.
%
@@ -6557,7 +6557,22 @@ The above should be sensitive to cases like the following one.
\special{t4ht*=}%
>>>
+This version of PicMath tries to set the correct vertical alignment for inline math.
+It typessets the math inside a box, measures depth and height, calculates
+the alignment, and outputs it using CSS. It uses Expl3 features, so we need
+to use it in LaTeX configuration.
+\<configure html4 latex\><<<
+\ExplSyntaxOn
+\Configure{PicMath}
+{\setbox0=}
+{\Css{img[src="\PictureFile"]{%
+ vertical-align:-\fp_eval:n{ \dim_to_fp:n{\dp0}/(\dim_to_fp:n{\ht0}+\dim_to_fp:n{\dp0}) * 100}\%
+}}\box0}
+{}
+{ class="math" }
+\ExplSyntaxOff
+>>>
%%%%%%%%%%%%%%%%%%