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Commit 73639417 authored by Francesco Potortì's avatar Francesco Potortì
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Structure the changes for etags using outline headers.

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etc/NEWS
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...@@ -569,7 +569,9 @@ comparison. ...@@ -569,7 +569,9 @@ comparison.
** Etags changes. ** Etags changes.
*** New syntax for regular expressions, multi-line regular expressions. *** New regular expressions features
**** New syntax for regular expressions, multi-line regular expressions.
The syntax --ignore-case-regexp=/regex/ is now undocumented and retained The syntax --ignore-case-regexp=/regex/ is now undocumented and retained
only for backward compatibility. The new equivalent syntax is only for backward compatibility. The new equivalent syntax is
--regex=/regex/i. More generally, it is --regex=/TAGREGEX/TAGNAME/MODS, --regex=/regex/i. More generally, it is --regex=/TAGREGEX/TAGNAME/MODS,
...@@ -581,32 +583,34 @@ expressions: `m' allows regexps to match more than one line, while `s' ...@@ -581,32 +583,34 @@ expressions: `m' allows regexps to match more than one line, while `s'
span newlines allows writing of much more powerful regular expressions span newlines allows writing of much more powerful regular expressions
and rapid prototyping for tagging new languages. and rapid prototyping for tagging new languages.
*** Regular expressions can use char escape sequences as in Gcc **** Regular expressions can use char escape sequences as in Gcc
The escaped character sequence \a, \b, \d, \e, \f, \n, \r, \t, \v, The escaped character sequence \a, \b, \d, \e, \f, \n, \r, \t, \v,
respectively, stand for the ASCII characters BEL, BS, DEL, ESC, FF, NL, respectively, stand for the ASCII characters BEL, BS, DEL, ESC, FF, NL,
CR, TAB, VT, CR, TAB, VT,
*** Regular expressions can be bound to a given language **** Regular expressions can be bound to a given language
The syntax --regex={LANGUAGE}REGEX means that REGEX is used to make tags The syntax --regex={LANGUAGE}REGEX means that REGEX is used to make tags
only for files of language LANGUAGE, and ignored otherwise. This is only for files of language LANGUAGE, and ignored otherwise. This is
particularly useful when storing regexps in a file. particularly useful when storing regexps in a file.
*** Regular expressions can be read from a file **** Regular expressions can be read from a file
The --regex=@regexfile option means read the regexps from a file, one The --regex=@regexfile option means read the regexps from a file, one
per line. Lines beginning with space or tab are ignored. per line. Lines beginning with space or tab are ignored.
*** In Prolog, etags creates tags for rules in addition to predicates. *** New language parsing features
**** In Prolog, etags creates tags for rules in addition to predicates.
*** In Perl, packages are tags. **** In Perl, packages are tags.
Subroutine tags are named from their package. You can jump to sub tags Subroutine tags are named from their package. You can jump to sub tags
as you did before, by the sub name, or additionally by looking for as you did before, by the sub name, or additionally by looking for
package::sub. package::sub.
*** New default keywords for TeX. **** New default keywords for TeX.
The new keywords are def, newcommand, renewcommand, newenvironment and The new keywords are def, newcommand, renewcommand, newenvironment and
renewenvironment. renewenvironment.
*** New language PHP: tags are functions, classes and defines. **** New language PHP: tags are functions, classes and defines.
If the --members option is specified to etags, tags are vars also. If the --members option is specified to etags, tags are vars also.
*** Honour #line directives. *** Honour #line directives.
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