src/bin/sortman: Fix order of intro(*) pages for subsections

Here's what changes with this patch:

	$ diff -u \
		<(find man -type f | ../master/src/bin/sortman) \
		<(find man -type f | ./src/bin/sortman);
	--- /dev/fd/63	2025-07-22 11:47:27.982307499 +0200
	+++ /dev/fd/62	2025-07-22 11:47:27.982307499 +0200
	@@ -805,7 +805,6 @@
	 man/man2const/VT_SETMODE.2const
	 man/man2const/VT_WAITACTIVE.2const
	 man/man2type/open_how.2type
	-man/man3attr/intro.3attr
	 man/man3/intro.3
	 man/man3/a64l.3
	 man/man3/abort.3
	@@ -2517,6 +2516,7 @@
	 man/man3/yn.3
	 man/man3/ynf.3
	 man/man3/ynl.3
	+man/man3attr/intro.3attr
	 man/man3attr/gnu::aligned.3attr
	 man/man3attr/gnu::format.3attr
	 man/man3const/EOF.3const

Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/src/bin/sortman b/src/bin/sortman
index 9f88dfce19f4884fc4302d73a2d5c8dce6c492d1..746dd3f590bd943ed9a587cb9ef5f7f74e4a3582 100755 (executable)
--- a/src/bin/sortman
+++ b/src/bin/sortman
@@ -3,9 +3,10 @@
 # Copyright, the authors of the Linux man-pages project
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-sed   -E '/\/intro./  s/.*\.([[:digit:]])/\10\t&/' \
+sed   -E '/\/intro./  s/.*\.([[:digit:]])$/\10\t&/' \
+| sed -E '/\/intro./  s/.*\.([[:digit:]])([[:alpha:]][[:alnum:]]*\>)/\12.\20\t&/' \
 | sed -E '/\/intro./! s/.*\.([[:digit:]])\>/\11\t&/' \
-| sed -E '/\/intro./! s/.*\.([[:digit:]])([[:alpha:]][[:alnum:]]*\>)/\12.\2\t&/' \
+| sed -E '/\/intro./! s/.*\.([[:digit:]])([[:alpha:]][[:alnum:]]*\>)/\12.\21\t&/' \
 | sed -E '            s/\t(.*)/&\n\1/' \
 | sed -E '/\t/        s/\.[[:digit:]]([[:alpha:]][[:alnum:]]*)?\>.*//' \
 | sed -E '/\t/        s/\/[_-]*/\//g' \