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Do this by adding a new field to the parser state: the syntax of the last character scanned, should that be the first char of a (potential) two char construct, nil otherwise. This should make the parser state complete. Also document element 9 of the parser state. Also refactor the code a bit. * src/syntax.c (struct lisp_parse_state): Add a new field. (SYNTAX_FLAGS_COMSTARTEND_FIRST): New function. (internalize_parse_state): New function, extracted from scan_sexps_forward. (back_comment): Call internalize_parse_state. (forw_comment): Return the syntax of the last character scanned to the caller when that character might be the first of a two character construct. (Fforward_comment, scan_lists): New dummy variables, passed to forw_comment. (scan_sexps_forward): Remove a redundant state parameter. Access all `state' information via the address parameter `state'. Remove the code which converts from external to internal form of `state'. Access buffer contents only from `from' onwards. Reformulate code at the top of the main loop correctly to recognize comment openers when starting in the middle of one. Call forw_comment with extra argument (for return of syntax value of possible first char of a two char construct). (Fparse_partial_sexp): Document elements 9, 10 of the parser state in the doc string. Clarify the doc string in general. Call internalize_parse_state. Take account of the new elements when consing up the output parser state. * doc/lispref/syntax.texi: (Parser State): Document element 9 and the new element 10. Minor wording corrections (remove reference to "trivial cases"). (Low Level Parsing): Minor corrections. * etc/NEWS: Note new element 10, and documentation of element 9 of parser state. |
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This directory contains the architecture-independent files used by or with Emacs. This includes some text files of documentation for GNU Emacs or of interest to Emacs users, and the file of dumped docstrings for Emacs functions and variables. COPYRIGHT AND LICENSE INFORMATION FOR IMAGE FILES File: emacs.icon Author: Sun Microsystems, Inc Copyright (C) 1999, 2001-2016 Free Software Foundation, Inc. License: GNU General Public License version 3 or later (see COPYING)