[gtksourceview] rst.lang: Make directives multi-line

[Christian Hergert <chergert src gnome org>]

commit b671ae8a8eb107e3fbe0f895006d17283e705a73
Author: Pierre Ossman <ossman cendio se>
Date:   Fri Oct 15 17:07:01 2021 +0200

    rst.lang: Make directives multi-line

 data/language-specs/rst.lang | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/data/language-specs/rst.lang b/data/language-specs/rst.lang
index aa2ae735..2351d310 100644
--- a/data/language-specs/rst.lang
+++ b/data/language-specs/rst.lang
@@ -43,19 +43,23 @@
   <definitions>
 
     <context id="directive" class="no-spell-check" style-ref="directive">
-      <match>^\s*\.\. \w*::.*$</match>
+      <start>^(\s*)\.\. \w*::</start>
+      <end>^(?!(\%{1@start}   )|(\s*$))</end>
     </context>
 
     <context id="footnotes" style-ref="directive">
-      <match>^\s*\.\. \[([0-9]+|\#|\#\w+|\*)\] </match>
+      <start>^(\s*)\.\. \[([0-9]+|\#|\#\w+|\*)\] </start>
+      <end>^(?!(\%{1@start}   )|(\s*$))</end>
     </context>
 
     <context id="citation" style-ref="directive">
-      <match>^\s*\.\. \[\w+\] </match>
+      <start>^(\s*)\.\. \[\w+\] </start>
+      <end>^(?!(\%{1@start}   )|(\s*$))</end>
     </context>
 
     <context id="link-target" class="no-spell-check" style-ref="directive">
-      <match>^\s*\.\. _.*:.*$</match>
+      <start>^(\s*)\.\. _.*:</start>
+      <end>^(?!(\%{1@start}   )|(\s*$))</end>
     </context>
 
     <context id="comment" style-ref="comment">