Follow-up Comment #25, bug #66323 (group groff): Thanks. By comparing what your dump does and what my attempts didn't, I managed to get an equivalent setup locally for -Tpdf as I have for -Tps (not that it didn't fight me every step of the way). As a bonus, ps2pdf(?) no longer spends minutes unpicking the chinese font.
The test dataset was obtained by appending .br .ft CR \Z'Symbola'\h'4c' đŠđđ .br \Z'DejaVuSans'\h'4c' â¨â⡠.br \Z'STIX-Regular'\h'4c' âââ .br .ft CR \Z'TW-Sung-98_1'\h'4c' ä¸į¨į¤įŽąīŧæäŊ å¨åŽļåéĸå īŧįŽåä¸č¸īŧčŦæžåŽŖčŊ¯ .br \Z'topaz'\h'4c' ⤠.br This is the sum total of all the fonts I use. Might as well try them all :) I'm attaching: -Tps created on bookworm 1.24.4 â I'd consider this the most correct baseline â with sed -e 's/[đŠđđ]/\\f[Symbola]\\z&\\fP\\ \\ /g' -e 'y/â¨/â/' -e 's/[â¨ââˇ]/\\f[DejaVuSans]\\z&\\fP\\ \\fC\\ \\fP/g' -e 's/[âââ]/\\f[STIX-Regular]\\z&\\fC\\ \\ \\fP/g' -e 's/[ä¸-æŋæ-įŋį -čŗŋč´-éŧ]/\\f[TW-Sung-98_1]\\z&\\fP\\ \\ /g' -e 's/â¤/\\f[topaz]â¤\\fP/' n3363.mom | pdfmom -Tps -K utf-8 -t | ps2pdf - - > newpdf6ps6.pdf -Tpdf created on bookworm 1.24.4 with sed -e 's/[đŠđđ]/\\f[Symbola]\\z&\\fP\\ \\ /g' -e 'y/â¨/â/' -e 's/[â¨ââˇ]/\\f[DejaVuSans]\\z&\\fP\\ \\fC\\ \\fP/g' -e 's/[âââ]/\\f[STIX-Regular]\\z&\\fC\\ \\ \\fP/g' -e 's/[ä¸-æŋæ-įŋį -čŗŋč´-éŧ]/\\f[TW-Sung-98_1]\\z&\\fP\\ \\ /g' -e 's/â¤/\\f[topaz]â¤\\fP/' n3363.mom | pdfmom -K utf-8 -t > newpdf94.pdf -Tpdf created on sid with groff HEAD (ddbbe95e27fd3f2aa633d719c95e921a178fd25a) with sed -e 's/[đŠđđ]/\\f[Symbola]\\z&\\fP\\ \\ /g' -e 'y/â¨/â/' -e 's/[â¨ââˇ]/\\f[DejaVuSans]\\z&\\fP\\ \\f(CR\\ \\fP/g' -e 's/[âââ]/\\f[STIX-Regular]\\z&\\f(CR\\ \\ \\fP/g' -e 's/[ä¸-æŋæ-įŋį -čŗŋč´-éŧ]/\\f[TW-Sung-98_1]\\z&\\fP\\ \\ /g' -e 's/â¤/\\f[topaz]â¤\\fP/' n3363.mom | pdfmom -K utf-8 -t > newpdf95c.pdf As I have it configured, -Tps and -Tpdf use the exact same metrics and the exact same font files. The trends I see are thus: newpdf6ps6.pdf has everything, but neither -Tpdf outputs have STIX or TW-Sung-98_1 characters. On -Tpdf, the ĐŊĐ° pair is overkerned. (And I'd say it's /over/kerned not just "more kerned", it definitely looks weird.) On -Tpdf everything's, like, inconsistently shifted around by like 1pt. This is blameless but still weird. groff HEAD justifies (fills? whatever the nomenclature is) the "all comments were applied" line differently so it breaks it mid-word earlier. Conversely with the polyomino link line. groff HEAD -mom spaces the 2.2.1. heading. Good! I can't attach site-font/ because it blows the max file size many times over, so it's at https://lfs.nabijaczleweli.xyz/0025-groff-Tpdf-fonts/site-font.tar.zst. This is for groff HEAD on sid. This should ease testing significantly. (file #56544, file #56545, file #56546) _______________________________________________________ Additional Item Attachment: File name: newpdf6ps6.pdf Size: 78KiB <http://file.savannah.gnu.org/file/newpdf6ps6.pdf?file_id=56544> File name: newpdf95c.pdf Size: 37KiB <http://file.savannah.gnu.org/file/newpdf95c.pdf?file_id=56545> File name: n3363.mom Size: 14KiB <http://file.savannah.gnu.org/file/n3363.mom?file_id=56546> AGPL NOTICE These attachments are served by Savane. You can download the corresponding source code of Savane at https://git.savannah.nongnu.org/cgit/administration/savane.git/snapshot/savane-269c9ff84ac4ff9e803fb261b7a8a23ab9610f67.tar.gz _______________________________________________________ Reply to this item at: <https://savannah.gnu.org/bugs/?66323> _______________________________________________ Message sent via Savannah https://savannah.gnu.org/
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