Bug#592647: libgtksourceview2.0-common: Improvement of the octave.lang file

[Carnë Draug]

Package: libgtksourceview2.0-common
Version: 2.10.3-1
Severity: minor
Tags: patch

I found that the language file for the octave language is a bit poor so I
decided to make some improvements. I'm attaching the new octave.lang file.

I got some input from one of the octave developers and original developer of
octave.lang file when doing it ( http://tinyurl.com/ygr8yj3 ) and testing from
some ubuntu users ( http://tinyurl.com/yzdks6l ).

I've also sent it to the gtksourceview developers (filed a bug report in
bugzilla https://bugzilla.gnome.org/show_bug.cgi?id=613378) but they have
keep silent for some months now. Hopefully you'll get it upstream or at least
for the debian community.

Here's the list of changes I made

    * comments and continuation line
          * ... is now identified as a continuation line character
          * comments after the continuation line character do not disrupt it
          * continuation lines characters are ignored if they are between
single quotes

    * shebang line
          * now it's defined by the default configuration as being such instead
of just another comment

    * block comments
          * added #{ and #} to the list of possibilities for block comments
          * highlights correctly when block comments are nested

    * operators
          * now are highlighted (not only simple arithmetic operators, this
includes element by element, transpose operator, autoincrement, assignment and
logical operators)

    * functions
          * added a bunch of functions (got some input for one of the octave
developers to avoid problems picking functions that may be removed from octave
to avoid problems in the future)
          * just to make it look pretty I mixed some very similar functions
into one such as "(a)?sin(d|h)?"
          * removed 'ans' from the list of functions and highlighted it as a
variable

    * metadata
          * changed default for line comment from % back to #

    * pkg as preprocessor
          * if pkg is not called 'like a function' (i.e. pkg ("load",..)) it's
highlighted as preprocessor (in similarity to the 'use' function in Perl)

    * constants/functions
          * functions such as Inf, pi, NaN which can be called with no
arguments to return a constant value, are highlighted as constants in those
situations but still as functions if followed by opening parenthesis

    * data types
          * the function handle character '@' is now highlighted

    * true/false as functions
          * are highlighted as boolean unless followed by opening parenthesis,
in which case are highlighted as functions

    * keywords
          * added the keywords, persistent, replot, static, varargin, varargout
          * removed the keywords assert, nargin, nargout and moved them to be
highlighted as functions

    * strings
          * added a printf regexp that should identify its formatting (copied
it from the C.lang file)
          * added an escape regexp that should escape only some stuff, not
whatever is right after an \ (also copied it from the C.lang file)



-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-5-686 (SMP w/2 CPU cores)
Locale: LANG=en_IE.utf8, LC_CTYPE=en_IE.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

-- no debconf information
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