[tex4ht-commits] [SCM] tex4ht updated: r1623 - trunk/lit

[Michal Hoftich]

Author: michal_h21
Date: 2025-01-08 21:13:08 +0000 (Wed, 08 Jan 2025)
New Revision: 1623

Modified:
   trunk/lit/ChangeLog
   trunk/lit/tex4ht-mathml.tex
Log:
added align attribute for aligned and friends

Modified: trunk/lit/ChangeLog
===================================================================
--- trunk/lit/ChangeLog	2025-01-08 15:24:04 UTC (rev 1622)
+++ trunk/lit/ChangeLog	2025-01-08 21:13:08 UTC (rev 1623)
@@ -1,8 +1,9 @@
 2025-01-08  Michal Hoftich  <michal.h21 at gmail.com>
 
-	* tex4ht-4ht.tex (amsmath.4ht): use LaTeX optional argument parsing
-	instead of \futurelet for handling of optional arguments in aligned
-	and alignedat environments. Thanks to Linas Stonys.
+	* tex4ht-mathml.tex (mathml.4ht),
+	* tex4ht-4ht.tex (amsmath.4ht): fixed handling of optional arguments
+	and empty first columns in aligned, alignedat and gathered
+	environments. Thanks to Linas Stonys.
 
 2025-01-05  Michal Hoftich  <michal.h21 at gmail.com>
 

Modified: trunk/lit/tex4ht-mathml.tex
===================================================================
--- trunk/lit/tex4ht-mathml.tex	2025-01-08 15:24:04 UTC (rev 1622)
+++ trunk/lit/tex4ht-mathml.tex	2025-01-08 21:13:08 UTC (rev 1623)
@@ -2419,7 +2419,7 @@
 
 \<amsmath mathml\><<<
 \Configure{gathered}
-   {\HCode{<\a:mathml mtable\Hnewline \mml:class="gathered">}}
+   {\HCode{<\a:mathml mtable\Hnewline \mml:class="gathered" \mtable:align:attribute>}}
    {\HCode{</\a:mathml mtable>}}
    {\HCode{<\a:mathml mtr>}}    {\HCode{</\a:mathml mtr>}} 
    {\HCode{\Hnewline<\a:mathml mtd>}}   {\HCode{</\a:mathml mtd>}}
@@ -4402,8 +4402,14 @@
 
 
 \<configure mathml amsmath\><<<
+% thanks to Linas Stonys for this code
+\def\mtable:align:attribute{%
+  \if t\Hlcr\space\a:mathml align="axis 1"\fi
+  \if b\Hlcr\space\a:mathml align="axis -1"\fi
+  }
+
 \Configure{aligned}  
-   {\HCode{<\a:mathml mtable\Hnewline \mml:class="aligned">}}  
+   {\HCode{<\a:mathml mtable\Hnewline \mml:class="aligned" \mtable:align:attribute>}}  
    {\HCode{</\a:mathml mtable>}}  
    {\HCode{<\a:mathml mtr\Hnewline>}}   {\HCode{</\a:mathml mtr>}}  
    {\HCode{<\a:mathml mtd 
@@ -4410,7 +4416,7 @@
        \a:mathml columnalign="\ifodd\HCol right\else left\fi" >}}
    {\HCode{</\a:mathml mtd>}} 
 \Configure{alignedat}
-   {\HCode{<\a:mathml mtable\Hnewline \mml:class="alignedat">}}
+   {\HCode{<\a:mathml mtable\Hnewline \mml:class="alignedat" \mtable:align:attribute>}}
    {\HCode{</\a:mathml mtable>}}
    {\HCode{<\a:mathml mtr\Hnewline>}}   {\HCode{</\a:mathml mtr>}}
    {\HCode{<\a:mathml mtd