gettext

85c8fb4d - xgettext: In language EmacsLisp, avoid stack overflow, part 2.

xgettext: In language EmacsLisp, avoid stack overflow, part 2. * gettext-tools/src/x-elisp.c (escape_nesting_depth): New variable. (do_getc_escaped): Increase escape_nesting_depth before calling do_getc_escaped recursively. Check escape_nesting_depth. (extract_elisp): Initialize escape_nesting_depth. * gettext-tools/tests/xgettext-elisp-stackovfl-3: New file. * gettext-tools/tests/xgettext-elisp-stackovfl-4: New file. * gettext-tools/tests/testdata/xg-el-so-3.el: New file. * gettext-tools/tests/testdata/xg-el-so-4.el: New file. * gettext-tools/tests/Makefile.am (TESTS, EXTRA_DIST): Add them.