From 74112ef23cc6fb74cddc115d45f0048af49752d3 Mon Sep 17 00:00:00 2001
From: Frank LENORMAND <lenormf@gmail.com>
Date: Thu, 3 Dec 2015 08:52:57 +0300
Subject: [PATCH] Simplify/remove the escaping routines

---
 rc/commenting.kak | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/rc/commenting.kak b/rc/commenting.kak
index 076e4027..f11e5634 100644
--- a/rc/commenting.kak
+++ b/rc/commenting.kak
@@ -6,19 +6,13 @@ decl str comment_line_chars "//"
 
 def comment-selection -docstring "Comment/uncomment the current selection" %{
     %sh{
-        function escape_regex_chars {
-            ## Escape characters that can be interpreted as modifiers/repetitors by the regex engine
-            sed -r 's,(\*|\+|\[|\]|\{\}|\||\(|\)|\?|\^|\$),\\\1,g' <<< "$@"
-        }
         function exec_proof {
-            ## Replace some special characters that are interpreted differently in `exec`
-            sed -r -e 's,<,<lt,g' -e 's,>,gt>,g' -e 's,<lt\b,<lt>,g' -e 's,\bgt>,<gt>,g' <<< "$@"
+            ## Replace the '<' sign that is interpreted differently in `exec`
+            sed -r 's,<,<lt>,g' <<< "$@"
         }
 
         readonly opening=$(exec_proof "${kak_opt_comment_selection_chars%%:*}")
         readonly closing=$(exec_proof "${kak_opt_comment_selection_chars##*:}")
-        readonly opening_escaped=$(escape_regex_chars "${opening}")
-        readonly closing_escaped=$(escape_regex_chars "${closing}")
 
         if [ -z "${opening}" -o -z "${closing}" ]; then
             echo "The \`comment_selection_chars\` variable is empty, couldn't comment the selection" >&2
@@ -31,13 +25,13 @@ def comment-selection -docstring "Comment/uncomment the current selection" %{
 
             try %{
                 ## The selection has already been commented
-                exec -draft %{<a-K>\A${opening_escaped}.*${closing_escaped}\z<ret>}
+                exec -draft %{<a-K>\A\Q${opening}\E.*\Q${closing}\E\z<ret>}
 
                 ## Comment the selection
                 exec %{a${closing}<esc>i${opening}<esc>${#opening}H}
             } catch %{
                 ## Uncomment the commented selection
-                exec -draft %{s(\A${opening_escaped})|(${closing_escaped}\z)<ret>d}
+                exec -draft %{s(\A\Q${opening}\E)|(\Q${closing}\E\z)<ret>d}
             }
         }"
     }