Remove files, generated by dvipng.

[hpreusse]

I notice that during build the program dvipng is called. After installing the Debian package and rebuilding I noticed that some files are not removed even by dist-clean. Consider the pull request.

[stloeffler]

Interesting - this doesn't seem to happen on my system... Thanks for the PR!
Curiously, dvipng does not seem to be mentioned in the repository anywhere - I assume it is called automatically "under the hood" by your tex4ht installation.

Could you please tell me

• how many index*.png files are produced (roughly); btw, I would prefer index*.png over index*png in the PR
• what do they contain? single "special" characters/symbols, true figures, or something else....
• What TeX distro are you using (and where did you get it from; e.g. Debian-packaged texlive, manually installed texlive, ...)?

[hpreusse]

Curiously, dvipng does not seem to be mentioned in the repository anywhere - I assume it is called automatically "under the hood" by your tex4ht installation.

Thats what I guess too, as I didn't found the string "dvipng" in the source tree.

* how many `index*.png` files are produced (roughly); btw, I would prefer `index*.png` over `index*png` in the PR

index0x.png...index8x.png each for french and english.

* what do they contain? single "special" characters/symbols, true figures, or something else....

They contain just arrows, files atached. png.zip

* What TeX distro are you using (and where did you get it from; e.g. Debian-packaged texlive, manually installed texlive, ...)?

I'm packaging the texworks-manual for Debian, see our repository.

[hpreusse]

Interesting - this doesn't seem to happen on my system... Thanks for the PR!
Curiously, dvipng does not seem to be mentioned in the repository anywhere - I assume it is called automatically "under the hood" by your tex4ht installation.

I noticed that dvipng is only called, if the patch for #8 is applied, which includes a removal of the tex4ht.env files. Not sure why these files are there, but using dvipng to convert dvi to png, seems to be more effective to me than "dvips -> gs -> convert", which is currently used.
Further: if the tex4ht.env files exists, these index...png files are created in subdir images, which is removed by the Makefile in subdir html.

[stloeffler]

Closing as this has been superseded by #11