Add a patch from Josh Zenker for bash highlight - enscript - GNU Enscript
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       ---
 (DIR) commit e46b9ca4ea8517ee95c4ed403a120c7da75e7485
 (DIR) parent df5c7cf3ece4845b91e4b4849cc05db1ed1c8d6c
 (HTM) Author: Werner Fink <werner@suse.de>
       Date:   Tue, 23 Jan 2018 15:26:44 +0100
       
       Add a patch from Josh Zenker for bash highlight
       
       An escaped double- or single-quotation mark gets treated as the
       beginning of a string, e.g.
       
         ntp_server=`grep '^XNTPD_INITIAL_NTPDATE=' $XNTPD_CFG | awk -F\" '{print $2}'`
       
       Signed-off-by: Werner Fink <werner@suse.de>
       Signed-off-by: James Cloos <cloos@jhcloos.com>
       
       Diffstat:
         M states/hl/sh.st                     |      33 ++++++++++++++++++++++++++++---
       
       1 file changed, 30 insertions(+), 3 deletions(-)
       ---
 (DIR) diff --git a/states/hl/sh.st b/states/hl/sh.st
       @@ -2,8 +2,21 @@
         * Name: sh
         * Description: Bourne shell programming language.
         * Author: Juergen Kahrs <Juergen.Kahrs@t-online.de>
       + *         Josh Zenker <josh.zenker@sig.com>
         */
        
       +state sh_string extends Highlight
       +{
       +  /\\\\./ {
       +    language_print ($0);
       +  }
       +
       +  sh_string_end {
       +    language_print ($0);
       +    return;
       +  }
       +}
       +
        state sh extends HighlightEntry
        {
          /* Comments. */
       @@ -14,11 +27,25 @@ state sh extends HighlightEntry
            comment_face (false);
          }
        
       +  /* Ignore escaped quotation marks */
       +  /\\\"/ {
       +    language_print ($0);
       +  }
       +
       +  /\\\'/ {
       +    language_print ($0);
       +  }
       +
       +  /\\\`/ {
       +    language_print ($0);
       +  }
       +
          /* String constants. */
       -  /\"/ {
       +  /\"|'/ {
       +    sh_string_end = regexp($0);
            string_face (true);
            language_print ($0);
       -    call (c_string);
       +    call (sh_string);
            string_face (false);
          }
        
       @@ -43,7 +70,7 @@ state sh extends HighlightEntry
        
          /* Keywords. */
          /\b(CDPATH|HOME|IFS|MAIL((CHECK)?|(PATH)?)|P(ATH|S(1|2))|SH(ACCT|ELL)|\
       -break|c(ase|d|ontinue)|do(ne)?|e(cho|lse|sac|val|x(ec|it|port))|f(i|or)|\
       +break|c(ase|d|ontinue)|do(ne)?|e(cho|l(if|se)|sac|val|x(ec|it|port))|f(i|or)|\
        getopts|hash|i[fn]|limit|newgrp|pwd|re(ad(only)?|turn)|s(et|hift)|\
        t(est|hen|imes|rap|ype)|u(limit|mask|n(limit|set))|w(ait|hile))\b/ {
            keyword_face (true);