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[Ada] Maximum line length in project files created by gnatname

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Vincent Celier <celier at adacore dot com>
Date: Mon, 4 Oct 2010 16:10:34 +0200
Subject: [Ada] Maximum line length in project files created by gnatname

The maximum length of lines in project files created by gnatname is
changed from 255 to 79. In addition, continuation lines are properly
indented.

Tested on x86_64-pc-linux-gnu, committed on trunk

2010-10-04  Vincent Celier  <celier@adacore.com>

	* prj-makr.adb (Finalize): Invoke Pretty_Print with Max_Length set to 79
	* prj-pp.adb (Pretty_Print): New parameter Max_Line_Length, that
	replaces global constant with the same name. When a line is too long,
	indent properly the next continuation line.
	* prj-pp.ads (Pretty_Print): New parameter Max_Line_Length with a range
	from 50 to 255, defaulted to 255, to indicate the maximum length of
	lines in the project file.

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