From 29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:21:29 +0200
Subject: Adding upstream version 1:0.1.9998svn3589+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/sed/doc/groupify.sed | 59 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100755 src/sed/doc/groupify.sed

(limited to 'src/sed/doc/groupify.sed')

diff --git a/src/sed/doc/groupify.sed b/src/sed/doc/groupify.sed
new file mode 100755
index 0000000..2430710
--- /dev/null
+++ b/src/sed/doc/groupify.sed
@@ -0,0 +1,59 @@
+#! /bin/sed -nf
+# Script to add @group...@end group tags to sed.texi.in
+# so that comments are not separated from the instructions
+# that they refer to.
+
+# Step 1: search for the conventional "@c start----" comment
+1a\
+@c Do not edit this file!! It is automatically generated from sed-in.texi.
+p
+/^@c start-*$/! b
+
+# Step 2: loop until we find a @ command
+:a
+n
+p
+/^@/! ba
+
+# Step 3: process everything until a "@end" command
+
+# Step 3.1: Print the blank lines before the group.  If we reach the "@end",
+#           we go back to step 1.
+:b
+n
+/^@end/ {
+  p
+  b
+}
+/^[ 	]*$/ {
+  p
+  bb
+}
+
+# Step 3.2: Add to hold space every line until an empty one or "@end"
+h
+:c
+n
+/^@end example/! {
+  /^[ 	]*$/! {
+    H
+    bc
+  }
+}
+
+# Step 3.3: Working in hold space, add @group...@end group if there are
+#           at least two lines.  Then print the lines we processed and
+#	    switch back to pattern space.
+x
+/\n/ {
+  s/.*/@group\
+&\
+@end group/
+}
+p
+
+# Step 3.4: Switch back to pattern space, print the first blank line
+#           and possibly go back to step 3.1
+x
+p
+/^@end/ !bb
-- 
cgit v1.2.3