[dev-context] new mp feature

[Taco Hoekwater]

Hans Hagen wrote:
>> Just a side note: I noticed the new database module already in the
>> beta, but the first Hans's fix (before Taco has touched it) introduced
>> a new "tab-bug" which hasn't been quite resolved yet. If
>> "separator=tab", it should trigger catcode change of tab to a "normal
>> letter" and use that one for separating columns. Well, indeed it seems
>> that the catcode is changed, but then I get the letter number 9 in EC
>> font (macron) instead of going to new column.
> 
> so what patc is needed


--- m-database.tex~     2006-06-19 16:08:51.282834397 +0200
+++ m-database.tex      2006-06-19 16:23:12.886574121 +0200
@@ -178,9 +178,12 @@
       {\executeifdefined
          {\??ls::\csname\??ls\currentseparatedlist\c!separator\endcsname}%
          {\csname\??ls\currentseparatedlist\c!separator\endcsname}}%
+   \doifinstringelse{tab}
+      {\getvalue{\??ls\currentseparatedlist\c!separator}}
+      {\catcode`\^^I=12 }{}%
     \ifx\currentlistseparator\empty\def\currentlistseparator{,}\fi}

-\setvalue{\??ls::tab}{ }
+{\catcode`\^^I=12 \setgvalue{\??ls::tab}{      }}
  \setvalue{\??ls::space}{ }
  \setvalue{\??ls::comma}{,}