18512, modified: fix up for ${foo/\//stuf} fix

ChangeLog

@@ -1,3 +1,12 @@
+2003-05-08  Peter Stephenson  <pws@csr.com>
+
+	* 18512 (modified for 4.0): README, Completion/Unix/Command/_cvs,
+	Completion/Unix/Command/_rsync,  Completion/Unix/Type/_path_files,
+	Doc/Zsh/expn.yo: 18508 wasn't enough; the \\/ hack was documented
+	and in use in the completion system.  Change the documentation,
+	mention the inconsistency in README and alter the completion
+	system to hide the `/' a parameter so that it doesn't care.
+
 2003-05-07  Peter Stephenson  <pws@csr.com>
 
 	* 18508: Src/subst.c, Test/D04parameter.ztst: quoting of the `/'

Completion/Unix/Command/_cvs

@@ -611,7 +611,7 @@ _cvs_loadstat () {
 
 (( $+functions[_cvs_root] )) ||
 _cvs_root () {
-  local cvspassfile id
+  local cvspassfile id slash
 
   typeset -gU _cvs_roots
 
@@ -622,7 +622,8 @@ _cvs_root () {
       id="$(LC_ALL=C ls -l "$cvspassfile")"
     fi
     if [[ "$id" != "$_cvs_pass_id" ]]; then
-      _cvs_roots=($_cvs_roots ${${${${(f)"$(<$cvspassfile)"}#/1 }%% *}/:2401\\//:/})
+      slash=/
+      _cvs_roots=($_cvs_roots ${${${${(f)"$(<$cvspassfile)"}#/1 }%% *}/:2401${slash}/:/})
       _cvs_pass_id="$id"
     fi
   fi
@@ -918,13 +919,13 @@ _cvs_existing_entries () {
 (( $+functions[_cvs_modified_entries] )) ||
 _cvs_modified_entries () {
   if _cvs_loadstat; then
-    local expl match linedir realdir pat
+    local expl match linedir realdir pat slash=/
     match=()
     : ${PREFIX:#(#b)(*/)(*)}
     linedir="$match[1]"
     realdir=${(e)~linedir}
     [[ -f "$realdir"CVS/Entries ]] &&
-    [[ -n ${pat::="${(@j:|:)${(@)${(@)${(@)${(@)${(@)${(@M)${(@f)"$(<"$realdir"CVS/Entries)"}:#/*}#/}/\\/[^\\/]#\\///}%/[^/]#/[^/]#}:#${(j:|:)~${${${${(f)"$(LC_ALL=C builtin stat -gn +mtime -F '%a %b %e %T %Y' ${realdir}*(D) 2>/dev/null)"}##*/}/ //}//(#m)[][*?()<|^~#\\]/\\$MATCH}}}%%/*}//(#m)[][*?()<|^~#\\]/\\$MATCH}"} ]] &&
+    [[ -n ${pat::="${(@j:|:)${(@)${(@)${(@)${(@)${(@)${(@M)${(@f)"$(<"$realdir"CVS/Entries)"}:#/*}#/}/${slash}[^${slash}]#${slash}//}%/[^/]#/[^/]#}:#${(j:|:)~${${${${(f)"$(LC_ALL=C builtin stat -gn +mtime -F '%a %b %e %T %Y' ${realdir}*(D) 2>/dev/null)"}##*/}/ //}//(#m)[][*?()<|^~#\\]/\\$MATCH}}}%%/*}//(#m)[][*?()<|^~#\\]/\\$MATCH}"} ]] &&
     _wanted files expl 'modified file' _path_files -g "$pat"
   else
     _cvs_existing_entries

Completion/Unix/Command/_rsync

@@ -31,13 +31,14 @@ elif [[ -prefix 1 *:: ]]; then
   _describe "remote modules" remmodules -S/
 
 elif [[ -prefix 1 *: ]]; then
-  local remfiles remdispf remdispd
+  local remfiles remdispf remdispd slash
 
   compset -P 1 '*:'
 
   if zstyle -T ":completion:${curcontext}:" remote-access; then
+    slash=/
     remfiles=(${(f)"$(ssh -a -x ${words[CURRENT]%:*} ls -d1F ${${${words[CURRENT
-]#*:}:h}/\\/(#e)/}/\* 2>/dev/null)"})
+]#*:}:h}/${slash}(#e)/}/\* 2>/dev/null)"})
 
     remdispf=(${remfiles:#*/})
     remdispd=(${(M)remfiles:#*/})
@@ -46,7 +47,7 @@ elif [[ -prefix 1 *: ]]; then
       compadd -d remdispf ${${remfiles:#*/}/[*=@|](#e)/}
       
     _wanted files expl 'remote files and directories' \
-      compadd -S/ -d remdispd ${${(M)remfiles:#*/}/\\/(#e)/}
+      compadd -S/ -d remdispd ${${(M)remfiles:#*/}/${slash}(#e)/}
   else
     _message 'remote files'
   fi

Completion/Unix/Type/_path_files

@@ -204,7 +204,8 @@ if [[ "$pre" = [^][*?#^\|\<\>]#(\`[^\`]#\`|\$)*/* && "$compstate[quote]" != \' ]
   eval 'realpath=${(e)~linepath}' 2>/dev/null
   [[ -z "$realpath" || "$realpath" = "$linepath" ]] && return 1
   pre="${pre#${linepath}}"
-  i="${#linepath//[^\\/]}"
+  i='[^/]'
+  i="${#linepath//$i}"
   orig="${orig[1,(in:i:)/][1,-2]}"
   donepath=
   prepaths=( '' )

Doc/Zsh/expn.yo

@@ -483,8 +483,8 @@ The var(pattern) may begin with a `tt(#)', in which case the
 var(pattern) must match at the start of the string, or `tt(%)', in
 which case it must match at the end of the string.  The var(repl) may
 be an empty string, in which case the final `tt(/)' may also be omitted.
-To quote the final `tt(/)' in other cases it should be preceded by two
-backslashes (i.e., a quoted backslash); this is not necessary if the
+To quote the final `tt(/)' in other cases it should be preceded by a
+single backslash; this is not necessary if the
 `tt(/)' occurs inside a substituted parameter.  Note also that the `tt(#)'
 and `tt(%)' are not active if they occur inside a substituted parameter,
 even at the start.

README

@@ -24,6 +24,21 @@ details, see the documentation.
 Possible incompatibilities
 ---------------------------
 
+A change between 4.0.6 and 4.0.7 affects substitutions of the form
+${foo/src/rep} and ${foo//src/rep}.  In 4.0.6, a literal `/' was quoted in
+the `src' text with two backslashes.  This was documented, but inconsistent
+with normal quoting conventions and poorly implemented.  The `/' now
+requires only one backslash to quote it whether or not the expresion occurs
+in double quotes.  For example:
+  % foo=word/bird
+  % print ${foo/\//-} "${foo/\//+}"
+  word-bird word+bird
+Note also the following workaround which is valid in all versions of the
+shell that support this syntax:
+  % slash=/
+  % foo=word/bird
+  % print ${foo/$slash/-} "${foo/$slash/+}"
+
 Some particular differences you may notice between version 3.0 and 4.0
 (mostly based on 3.0.8; there are other differences from earlier versions):