Recent changes (starting with commit 0922aa00) seem to have broken compilation of ru/Tutorial.lyx. The changes in the commit are extensive, and there are many errors in the log, so it's not clear where to start. The errors are about UTF-8 and "Bad space character".
I only checked with pdflatex and on current master: $ lyx -e pdf2 Tutorial.lyx This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded format=pdflatex) restricted \write18 enabled. entering extended mode (./Tutorial.tex LaTeX2e <2018-12-01> support/Systemcall.cpp (291): Systemcall: 'pdflatex "Tutorial.tex"' finished with exit code 1 This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded format=pdflatex) restricted \write18 enabled. entering extended mode (./Tutorial.tex LaTeX2e <2018-12-01> support/Systemcall.cpp (291): Systemcall: 'pdflatex "Tutorial.tex"' finished with exit code 1 The version before 0922aa00 seems to export without error: $ git checkout 9fdae0d8 Tutorial.lyx && lyx -e pdf2 Tutorial.lyx This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded format=pdflatex) restricted \write18 enabled. entering extended mode (./Tutorial.tex LaTeX2e <2018-12-01> This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded format=pdflatex) restricted \write18 enabled. entering extended mode (./Tutorial.tex LaTeX2e <2018-12-01> Scott
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