context not honored in xml2tex-conf//charmap/char about xml2tex

[gimsieke]

Hi Peppo,

I investigated and I found out that the schema in fact permits an optional context attribute for char. I investigated further and I found out that this attribute is currently not being evaluated. The replacement works globally and may not be constrained. I’ll investigate whether we can honour this constraint with the current approach. If it turns out to be too difficult or too inefficient, we’ll rather disallow the context attribute for the time being.

[gimsieke]

Please note that everything in the charmap (example: docx2tex charmap) applies to text mode. MathML to LaTeX translation happens before this charmap is applied.
So the general problem of handling character translations differently in math and text mode should be solved anyway.
Nevertheless, I fixed this issue by honouring the @context attribute on char entries. There is some documentation in the schema.

[gimsieke]

Ah, I see. Your equations aren’t always MathML. Then this fix should help.

[gimsieke]

In the test case that you sent, you can use

<charmap>
    <char character="&#x3bc;" string="${\mu}$"/>
    <char character="&#x3bc;" string="\mu " context="dbk:mathphrase"/>
  </charmap>

I tried it, it works.

Now we should update our sample configuration with dbk:mathphrase exceptions…