bug#4079: 23.1.50; compile.el comments for gnu pattern first line

[Kevin Ryde]

Answering a question left by Stefan ...

2009-08-08  Kevin Ryde  <user42@zip.com.au>

        * progmodes/compile.el (compilation-error-regexp-alist-alist): Add
        crib to `gnu' pattern on what the first line is for.  (The pattern is
        so hairy some verbosity can be tolerated in the comments!)

*** compile.el  11 Jul 2009 07:12:48 +1000      1.495
--- compile.el  08 Aug 2009 11:12:37 +1000      
***************
*** 234,240 ****
       (2 (compilation-face '(3))))
  
      (gnu
!      ;; I have no idea what this first line is supposed to match, but it
       ;; makes things ambiguous with output such as "foo:344:50:blabla" since
       ;; the "foo" part can match this first line (in which case the file
       ;; name as "344").  To avoid this, the second line disallows filenames
--- 234,247 ----
       (2 (compilation-face '(3))))
  
      (gnu
!      ;; The first line matches the program name for
!      ;;     PROGRAM:SOURCE-FILE-NAME:LINENO: MESSAGE
!      ;; format as per gnu standards.info "Errors" for non-interactive
!      ;; programs other than compilers.  Eg. the "jade:" entry in
!      ;; compilation.txt
!      ;;     jade:dbcommon.dsl:133:17:E: missing argument for function call
!      ;;
!      ;; The first line
       ;; makes things ambiguous with output such as "foo:344:50:blabla" since
       ;; the "foo" part can match this first line (in which case the file
       ;; name as "344").  To avoid this, the second line disallows filenames