Fontify a CPP construct correctly when a comment follows without spaces
Do this by removing a broken optimization in the state cache which put category text properties on a character between the end of the CPP construct and the beginning of the comment. This can't work when there's no such character. * lisp/progmodes/cc-defs.el (c-cpp-delimiter, c-set-cpp-delimiters) (c-clear-cpp-delimiters, c-comment-out-cpps, c-with-cpps-commented-out) (c-with-all-but-one-cpps-commented-out): Remove. * lisp/progmodes/cc-engine.el (c-no-comment-end-of-macro): Return the comment start position rather than one character before it. (c-invalidate-state-cache, c-parse-state): Remove the invocations of c-with-all-but-one-cpps-commented-out and c-with-cpps-commented-out. * lisp/progmodes/cc-mode.el (c-neutralize-syntax-in-and-mark-CPP): Rename to c-neutralize-syntax-in-CPP and remove the bits which applied category properties. * lisp/progmodes/cc-langs.el (c-before-font-lock-functions): Incorporate the new name of the function c-neutralize-syntax-in-CPP.
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