Debugger entered--Lisp error: (error "Don't know how to compile nil") signal(error ("Don't know how to compile nil")) error("Don't know how to compile %S" nil) #[0 "\306 !\307\211\211\211\211\211\n \f \3009\2037\310\300!\2058\300K\2028\300\211\242\311=\211\203DA\262\3009\203`\242\312>\204U\313\314\"\210\315!\262@\316=\242\317=\204l\313\314\"\210\320!\262\242\321=\203\201\211A@)\262\322!\262\211\203\217\311B\262\3009\203\232\300M\202\233)\266\202.\f\207" [font-latex-warning byte-compile-initial-macro-environment byte-compile-verbose byte-optimize byte-compile-dynamic byte-compile-dynamic-docstrings copy-alist nil fboundp macro (closure lambda) error "Don't know how to compile %S" byte-compile--refiy-function closure lambda byte-compile-preprocess function byte-compile-lambda byte-compile-warnings byte-compile-free-assignments byte-compile-free-references byte-compile-const-variables byte-compile-bound-variables byte-compile-function-environment byte-compile--outbuffer byte-compile-macro-environment lexical-binding x] 13 "\n\n(fn)"]() byte-compile(font-latex-warning) byte-code("\305\306\307\"\210\310=\203\307 \210\311\312K!\203= \313\211\203< @\211@\314\315\316\fP!!\210\314\315\316\f\317Q!!\210) A\211\204*\320\321!\207" [major-mode font-latex-built-in-keyword-classes elt --dolist-tail-- name add-hook latex-mode-hook font-latex-setup latex-mode byte-code-function-p font-latex-make-built-in-keywords nil byte-compile intern "font-latex-" "-make" provide font-latex] 6) font-latex-setup() VirTeX-common-initialization() LaTeX-common-initialization() latex-mode() set-auto-mode-0(latex-mode nil) set-auto-mode() normal-mode(t) after-find-file(nil t) find-file-noselect-1(# "~/tmp/ex.ltx" nil nil "~/tmp/ex.ltx" (12328882 2051)) find-file-noselect("/home/vladimir/tmp/ex.ltx" nil nil nil) find-file("/home/vladimir/tmp/ex.ltx") command-line-1(("--eval" "(setq load-path (cons \"/usr/share/emacs/site-lisp\" load-path) debug-on-error t byte-compile-debug t)" "-l" "/usr/share/emacs/site-lisp/auctex.el" "ex.ltx")) command-line() normal-top-level()