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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+larch=yhetil.org@gnu.org Sender: emacs-orgmode-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Spam-Score: -4.12 X-Spam-Score: -4.12 X-Migadu-Queue-Id: E0B953B8B8 X-Migadu-Scanner: mx2.migadu.com X-TUID: MnCFZTGb2qBI On 12/09/2023 16:05, Ihor Radchenko wrote: > Max Nikulin writes: > >> Every piece of code accessing this public constant must implement >> fallback from e.g. "de-ch" (or de_CH) to "de". Or to "en" for an >> unsupported language. > > Not necessarily. I mostly thought about some unconventional code that > uses the constant for some reason unexpected to us. We do not want to > break that. My point is that direct usage of `org-latex-language-alist' should be discouraged. >> This languange-region identifiers may be written in different way >> (dash/underscore, case), but they are used specify POSIX locale LANG, >> LC_* and extensions like LANGUAGE, so in some cases human friendly names >> may be less convenient. > > Sorry, but I do not follow you about the downsides of "human friendly" names. I am not against them for the "#+language" keyword (however I am unsure concerning e.g. human variant for de_IT). In the code I would prefer ll_RR locale identifiers as a widely accepted practice. >>> Though I am not sure if we can easily handle tricky >>> cases like weird installation directory for TeXLive or MikTeX. >> >> kpsewhich babel-de.ini > > which may not be in the PATH. From my point of view it is a call to trouble. E.g. I have no idea how to determine if LuaLaTeX is installed. Notice that in Debian the executable file is provided by texlive-latex-base: /usr/bin/lualatex while actually texlive-luatex must be installed to make lualatex usable. Unsure if there is a better way than kpsewhich -engine luahbtex lualatex.fmt and I am not sure that this particular command is reliable enough. Moreover kpsewhich may help to detect if some packages are available for export or a fallback to less advanced ones should be used instead. >> /usr/share/texlive/texmf-dist/tex/generic/babel/locale/de/babel-de.ini > > which is not true on Guix, or when installed under /opt via make install. It is the exact reason to use kpsewhich. Besides install paths it respects TEXMF environment variables that may additional user-specific directories to search path. > I did not mean the conventional distros that follow conventional naming > schemes, but the edge cases - I see no point adding automation just to > fight various non-standard user installations later. It will not make > maintenance any easier. I am considering generating of some locale data on a developer machine that has all necessary packages installed. In general I am against storing of autogenerated files in git, but in this case it may have sense.