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sh-script ksh option skeleton bug + a few suggestions


From: Klaus Zeitler
Subject: sh-script ksh option skeleton bug + a few suggestions
Date: Mon, 14 Apr 2003 15:58:44 +0200 (MEST)

This bug report will be sent to the Free Software Foundation,
not to your local site managers!
Please write in English, because the Emacs maintainers do not have
translators to read other languages for them.

Your bug report will be posted to the address@hidden mailing list,
and to the gnu.emacs.bug news group.

In GNU Emacs 21.3.1 (sparc-sun-solaris2.8, Motif Version 2.1.0)
 of 2003-04-08 on sfsws4
configured using `configure  --with-gcc 
--prefix=/vol/freeware/SunOS-5.8/emacs/21.3 
--sharedstatedir=/vol/freeware/SunOS-5.8/emacs/21.3/share 
--with-x-toolkit=motif --x-includes=/usr/openwin/include:/usr/local/gnu/include 
--x-libraries=/usr/openwin/lib:/usr/local/gnu/lib --with-pop'
Important settings:
  value of $LC_ALL: 
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: C
  locale-coding-system: nil
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

1. start emacs -q --no-site-file
2. C-x C-f x.ksh
3. Insert "Options Loop", i.e. C-c C-o 

the code inserted from skeleton looks like:

while getopts :ab OPT; do
    case $OPT in
        a|+a)
        
        ;;b|+b)
        
        ;;*)
        print "usage: ${0##*/} [+-ab} [--] ARGS..."
        exit 2
    esac
done
OPTIND-1$(( OPTIND - 1 ))


I've attached a patch to fix this.

This patch also contains the following improvements:

1. add "select" to bash sh-other-keywords

2. correct ";;<label>" in skeletons for "Options Loop" and "Case Statement"
   to ";;\n<label>, i.e. change the skeleton "Case Statement" from e.g.

case $b in
    x1)
    
    ;;
    x2)
    
    ;;*)
esac

to

case $b in
    x1)
    
    ;;
    x2)
    
    ;;
    *)
esac

and similar for "Options-Loop" skeleton

3. add an empty line after "elif" lines in skeleton "If Statements"


Furthermore I'd suggest to set sh-heredoc-face to font-lock-doc-face.
Also I wonder why skeleton-end-hook is modified. I can't see any advantage.
Normally I can decide via skeleton-end-newline if a final new-line should
be appended or not, but sh-script-mode doesn't allow that.


And one OT question: My last followups to gnu.emacs.bug didn't show up.
Is it not possible anymore to post directly to gnu.emacs.bug and do I
have to send followups to address@hidden instead?

And here's the patch:

--- snip ---
*** sh-script.el        Mon Apr 14 15:52:01 2003
--- sh-script.el.new    Mon Apr 14 15:53:38 2003
***************
*** 653,659 ****
  
  (defcustom sh-other-keywords
    '((bash eval sh-append bourne
!         "bye" "logout")
  
      ;; The next entry is only used for defining the others
      (bourne eval sh-append sh
--- 653,659 ----
  
  (defcustom sh-other-keywords
    '((bash eval sh-append bourne
!         "bye" "logout" "select")
  
      ;; The next entry is only used for defining the others
      (bourne eval sh-append sh
***************
*** 3077,3083 ****
        ( "other pattern, %s: "
        > str (propertize ")" 'syntax-table sh-st-punc) \n
        > _ \n
!       ";;" \n)
        > "*" (propertize ")" 'syntax-table sh-st-punc) \n
        > _ \n
        resume:
--- 3077,3083 ----
        ( "other pattern, %s: "
        > str (propertize ")" 'syntax-table sh-st-punc) \n
        > _ \n
!       ";;" \n \n)
        > "*" (propertize ")" 'syntax-table sh-st-punc) \n
        > _ \n
        resume:
***************
*** 3268,3274 ****
        > _ \n
        ( "other condition, %s: "
        >  "elif " str "; then" > \n
!       > \n)
        "else" > \n
        > \n
        resume:
--- 3268,3274 ----
        > _ \n
        ( "other condition, %s: "
        >  "elif " str "; then" > \n
!       > \n \n)
        "else" > \n
        > \n
        resume:
***************
*** 3401,3407 ****
    (ksh88 eval sh-modify sh
         16 "print"
         18 "${0##*/}"
!        36 "OPTIND-1")
    (posix eval sh-modify sh
         18 "$(basename $0)")
    (sh "optstring: "
--- 3401,3407 ----
    (ksh88 eval sh-modify sh
         16 "print"
         18 "${0##*/}"
!        37 "OPTIND-1")
    (posix eval sh-modify sh
         18 "$(basename $0)")
    (sh "optstring: "
***************
*** 3416,3422 ****
                  v2 nil)))
        > str "|+" str (propertize ")" 'syntax-table sh-st-punc) \n
        > _ v2 \n
!       > ";;" \n)
        > "*" (propertize ")" 'syntax-table sh-st-punc) \n
        > "echo" " \"usage: " "`basename $0`"
        " [+-" '(setq v1 (point)) str
--- 3416,3422 ----
                  v2 nil)))
        > str "|+" str (propertize ")" 'syntax-table sh-st-punc) \n
        > _ v2 \n
!       > ";;" \n \n)
        > "*" (propertize ")" 'syntax-table sh-st-punc) \n
        > "echo" " \"usage: " "`basename $0`"
        " [+-" '(setq v1 (point)) str
--- snip ---

Recent input:
a = $ b <left> <left> <left> SPC <right> SPC <right> 
<right> <return> x 1 <return> x 2 <return> <return> 
<up> <up> <right> <right> <right> <delete> <delete> 
C-d C-d C-d <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <return> <return> <return> 
<up> C-c C-o a b c <backspace> <return> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<return> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> C-c TAB $ a SPC = SPC " x " <return> $ 
a SPC = SPC " y " <return> <return> <help-echo> <down> 
<down> <down> <down> <down> <down> <help-echo> <help-echo> 
<menu-bar> <help-menu> <report-emacs-bug>

Recent messages:
Setting up indent for shell type ksh88
Loading regexp-opt...done
Loading mule-util...done
setting up indent stuff
Indentation variable are now local.
Indentation setup for shell type ksh88
Mark set [2 times]
Loading skeleton...done
Auto-saving...done
Loading emacsbug...done




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