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Improve documentation of new Hide-IfDef features

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* etc/NEWS: Expand and reword Hide-IfDef section.
This commit is contained in:
Eli Zaretskii 2016-01-02 12:36:28 +02:00
parent 723b8bf19d
commit cd68f47e4f
1 changed files with 27 additions and 7 deletions
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34
etc/NEWS
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@ -877,16 +877,36 @@ fitting for use in money calculations
--- ---
*** Factorial works with non-integer inputs. *** Factorial works with non-integer inputs.
** HideIfDef mode now support full C/C++ expressions, argumented macro ** Hide-IfDef mode
expansions, interactive macro evaluation and automatic scanning of
#defined symbols.
*** New custom variable `hide-ifdef-header-regexp' to define C/C++ header file ---
name patterns. Default case-insensitive .h, .hh, .hpp, .hxx, and .h++. *** Hide-IfDef mode now support full C/C++ expressions in macros,
macro argument expansion, interactive macro evaluation and automatic
scanning of #define'd symbols.
---
*** New command `hif-evaluate-macro', bound to `C-c @ e', displays the
result of evaluating a macro.
---
*** New command `hif-clear-all-ifdef-define', bound to `C-c @ C', clears
all defined symbols in `hide-ifdef-env'.
---
*** New custom variable `hide-ifdef-header-regexp' to define C/C++ header
file name patterns. Defaults to files whose extension is one of `.h',
`.hh', `.hpp', `.hxx', or `.h++', matched case-insensitively.
---
*** New custom variable `hide-ifdef-expand-reinclusion-protection' to prevent *** New custom variable `hide-ifdef-expand-reinclusion-protection' to prevent
reinclusion protected header files from being fully hidden. reinclusion protected (a.k.a. "idempotent") header files from being hidden.
(This could happen when an idempotent header file is visited again,
when its guard symbol is already defined.) Defaults to `t'.
---
*** New custom variable `hide-ifdef-exclude-define-regexp' to define symbol *** New custom variable `hide-ifdef-exclude-define-regexp' to define symbol
name patterns (e.g. all "FOR_DOXYGEN_ONLY_*") to be excluded. name patterns (e.g. all "FOR_DOXYGEN_ONLY_*") to be ignored when
looking for macro definitions. By default, no symbols are ignored.
** TeX mode ** TeX mode