$NetBSD: patch-distrib_gnat__switches_awk,v 1.1 2012/03/27 21:49:52 dholland Exp $

Escape braces in gawk regexps; otherwise they become interval
expressions, and the latest gawk doesn't like invalid interval
expressions much.

--- distrib/gnat_switches.awk~	2008-06-30 07:58:03.000000000 +0000
+++ distrib/gnat_switches.awk
@@ -44,9 +44,9 @@ warnings == 1 && st > 0 && st < 4 && /^@
 
 # print the short comment. Do this after all previous handling of st == 3, as
 # we don't want them to analyse the current string.
-warnings == 1 && st == 2 && /^@emph{/ {
-    sub (/@emph{/, "         \"\"\"",$0)
-    sub (/}$/, "\"\"\", \n         \"\"\"",$0)
+warnings == 1 && st == 2 && /^@emph\{/ {
+    sub (/@emph\{/, "         \"\"\"",$0)
+    sub (/\}$/, "\"\"\", \n         \"\"\"",$0)
     printf ("%s", $0)
     prev=""
     itemize=0
@@ -99,12 +99,12 @@ styles == 1 && /@item / {
     st = 2
 }
 
-(validity == 1 || styles == 1) && st == 2 && /^@emph{/ {
-    sub (/@emph{/, "         \"\"\"",$0)
-    sub (/}$/, "\"\"\", \n         \"\"\"",$0)
+(validity == 1 || styles == 1) && st == 2 && /^@emph\{/ {
+    sub (/@emph\{/, "         \"\"\"",$0)
+    sub (/\}$/, "\"\"\", \n         \"\"\"",$0)
     # remove any @code{sth} or other texi commands from the short description.
-    sub (/@[^{]*{/,"",$0)
-    sub (/}/,"",$0)
+    sub (/@[^\{]*\{/,"",$0)
+    sub (/\}/,"",$0)
     printf ("%s", $0)
     prev=""
     itemize=0
@@ -176,10 +176,10 @@ st == 3 {
     gsub (/</, "\\&lt;", $0)
     gsub (/>/, "\\&gt;", $0)
     gsub (/\"/, "'", $0)
-    gsub (/@dots{}/,"..",$0)
+    gsub (/@dots\{\}/,"..",$0)
     # remove all @foo{}
-    gsub (/@[^ {]*{/,"",$0)
-    gsub (/}/,"",$0)
+    gsub (/@[^ \{]*\{/,"",$0)
+    gsub (/\}/,"",$0)
     gsub (/@ifclear [^ ]*/,"",$0)
     gsub (/@end [^ ]*/,"",$0)
     gsub (/@[^ ]*/,"",$0)