Refactor doublequoted_strings definitions, so that empty strings don'…

…t have a visual/rendering bug.

diakonos.conf

@@ -702,7 +702,7 @@ lang.xml_tag.indent.size 2
 lang.xml_tag.indent.auto true
 lang.xml_tag.indent.roundup true
 #lang.xml_tag.indent.using_tabs true
-lang.xml_tag.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.xml_tag.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.xml_tag.tokens.doublequoted_strings.format green bold
 lang.xml_tag.tokens.singlequoted_strings ('.*?[^\\]')
 lang.xml_tag.tokens.singlequoted_strings.format green bold
@@ -772,7 +772,7 @@ lang.html_tag.tokens.elements.case_insensitive \b(A|ABBR|ACRONYM|ADDRES|APPLET|A
 lang.html_tag.tokens.elements.format cyan
 lang.html_tag.tokens.attributes.case_insensitive \b(abbr|accept-charset|accept|accesskey|action|align|alink|alt|archive|axis|background|bgcolor|border|cellpadding|cellspacing|char|charoff|charset|checked|cite|class|classid|clear|code|codebase|codetype|color|cols|colspan|compact|content|coords|data|datetime|declare|defer|dir|disabled|enctype|face|for|frame|frameborder|headers|height|href|href|hreflang|hspace|http-equiv|id|ismap|label|lang|language|link|longdesc|marginheight|marginwidth|maxlength|media|method|multiple|name|nohref|noresize|noshade|nowrap|object|onblur|onchange|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup|onload|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|onreset|onselect|onsubmit|onunload|profile|prompt|readonly|rel|rev|rows|rowspan|rules|scheme|scope|scrolling|selected|shape|size|span|src|standby|start|style|summary|tabindex|target|text|title|type|usemap|valign|value|valuetype|version|vlink|vspace|width)\b
 lang.html_tag.tokens.attributes.format white
-lang.html_tag.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.html_tag.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.html_tag.tokens.doublequoted_strings.format green bold
 lang.html_tag.tokens.singlequoted_strings ('.*?[^\\]')
 lang.html_tag.tokens.singlequoted_strings.format green bold
@@ -860,7 +860,7 @@ lang.ruby.tokens.regular_expressions (\/.+?[^\\]\/)
 lang.ruby.tokens.regular_expressions.format red bold
 lang.ruby.tokens.regular_expressions2 (%r\{.+?[^\}]\})
 lang.ruby.tokens.regular_expressions2.format red bold
-lang.ruby.tokens.doublequoted_strings (\".*?[^\\]\"|\"\")
+lang.ruby.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.ruby.tokens.doublequoted_strings.format green bold
 lang.ruby.tokens.interpolated_string.open (%Q?\{)
 lang.ruby.tokens.interpolated_string.close (\})
@@ -977,7 +977,7 @@ lang.php.bangmask #!.*php|<\?php
 lang.php.format.default white bold
 lang.php.format.selection inverse
 lang.php.format.found yellow inverse
-lang.php.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.php.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.php.tokens.doublequoted_strings.format green bold
 lang.php.tokens.singlequoted_strings ('.*?[^\\]')
 lang.php.tokens.singlequoted_strings.format green bold
@@ -1031,7 +1031,7 @@ lang.perl.tokens.constants \b([A-Z_]+|[A-Z_][A-Z0-9_]+)\b
 lang.perl.tokens.constants.format yellow bold
 lang.perl.tokens.regular_expressions (\/.+?[^\\]\/)
 lang.perl.tokens.regular_expressions.format red bold
-lang.perl.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.perl.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.perl.tokens.doublequoted_strings.format green bold
 lang.perl.tokens.singlequoted_strings ('.*?[^\\]')
 lang.perl.tokens.singlequoted_strings.format green bold
@@ -1073,7 +1073,7 @@ lang.python.tokens.constants.format yellow bold
 lang.python.tokens.comments (#.*)
 lang.python.tokens.comments.format = lang.shared.tokens.comments.format
 lang.python.comment_string "# "
-lang.python.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.python.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.python.tokens.doublequoted_strings.format green bold
 lang.python.tokens.singlequoted_strings ('.*?[^\\]')
 lang.python.tokens.singlequoted_strings.format green bold
@@ -1099,7 +1099,7 @@ lang.java.filemask \.(?:java|js)$
 lang.java.format.default white bold
 lang.java.format.selection inverse
 lang.java.format.found yellow inverse
-lang.java.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.java.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.java.tokens.doublequoted_strings.format green bold
 lang.java.tokens.singlequoted_strings ('.*?[^\\]')
 lang.java.tokens.singlequoted_strings.format green bold
@@ -1138,7 +1138,7 @@ lang.c.filemask \.(c(pp|xx)?|h)$
 lang.c.format.default white bold
 lang.c.format.selection inverse
 lang.c.format.found yellow inverse
-lang.c.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.c.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.c.tokens.doublequoted_strings.format green bold
 lang.c.tokens.singlequoted_strings ('.*?[^\\]')
 lang.c.tokens.singlequoted_strings.format green bold
@@ -1179,7 +1179,7 @@ lang.conf.tokens.commands.format cyan bold
 lang.conf.tokens.comments (^\s*#.*)
 lang.conf.tokens.comments.format yellow bold
 lang.conf.comment_string "# "
-lang.conf.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.conf.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.conf.tokens.doublequoted_strings.format green bold
 lang.conf.tokens.singlequoted_strings ('.*?[^\\]')
 lang.conf.tokens.singlequoted_strings.format green bold
@@ -1266,7 +1266,7 @@ lang.bash.tokens.comments.format = lang.shared.tokens.comments.format
 lang.bash.comment_string "# "
 lang.bash.tokens.singlequoted_strings ('.*?[^\\]')
 lang.bash.tokens.singlequoted_strings.format green bold
-lang.bash.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.bash.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.bash.tokens.doublequoted_strings.format green bold
 lang.bash.tokens.backquoted_strings (`.*?[^\\]`)
 lang.bash.tokens.backquoted_strings.format red bold
@@ -1294,7 +1294,7 @@ lang.tcl.tokens.reserved_words \b(encoding|incr|pid|tcl_endOfWord|Tcl|eof|info|t
 lang.tcl.tokens.reserved_words.format white
 lang.tcl.tokens.variables (\$[A-Za-z_][A-Za-z_0-9]*)\b
 lang.tcl.tokens.variables.format yellow bold
-lang.tcl.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.tcl.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.tcl.tokens.doublequoted_strings.format green bold
 lang.tcl.tokens.non_alphanum ([!@#$%\^&*()\[\]{}/?=+\-\\|,<.>;:])
 lang.tcl.tokens.non_alphanum.format white
@@ -1341,7 +1341,7 @@ lang.yaml.tokens.inline_series ([\[\]])
 lang.yaml.tokens.inline_series.format white
 lang.yaml.tokens.inline_keyed ([{}])
 lang.yaml.tokens.inline_keyed.format white
-lang.yaml.tokens.doublequoted_strings (\".*?[^\\]\"|\"\")
+lang.yaml.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.yaml.tokens.doublequoted_strings.format green bold
 lang.yaml.tokens.singlequoted_strings ('.*?[^\\]'|'')
 lang.yaml.tokens.singlequoted_strings.format green bold
@@ -1478,7 +1478,7 @@ lang.bind.tokens.keywords1 \b(IN)\b
 lang.bind.tokens.keywords1.format white
 lang.bind.tokens.keywords2 \b(A|CNAME|MX|NS|SOA|TXT)\b
 lang.bind.tokens.keywords2.format yellow bold
-lang.bind.tokens.doublequoted_strings (\".*?[^\\]\"|\"\")
+lang.bind.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.bind.tokens.doublequoted_strings.format green bold
 lang.bind.indent.size 8
 lang.bind.indent.auto true
@@ -1546,7 +1546,7 @@ lang.haskell.tokens.long_comments.format = lang.shared.tokens.comments.format
 # lang.haskell.tokens.regular_expressions.format red bold
 # lang.haskell.tokens.regular_expressions2 (%r\{.+?[^\}]\})
 # lang.haskell.tokens.regular_expressions2.format red bold
-lang.haskell.tokens.doublequoted_strings (\".*?[^\\]\"|\"\")
+lang.haskell.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.haskell.tokens.doublequoted_strings.format green bold
 lang.haskell.tokens.singlequoted_strings ('.*?[^\\]'|'')
 lang.haskell.tokens.singlequoted_strings.format green bold
@@ -1586,7 +1586,7 @@ lang.lua.tokens.comments.format = lang.shared.tokens.comments.format
 lang.lua.comment_string "-- "
 lang.lua.tokens.singlequoted_strings ('.*?[^\\]')
 lang.lua.tokens.singlequoted_strings.format green bold
-lang.lua.tokens.doublequoted_strings (\".*?[^\\]\")
+lang.lua.tokens.doublequoted_strings (\".*?[^\\]?\")
 lang.lua.tokens.doublequoted_strings.format green bold
 lang.lua.tokens.numbers \b([0-9]+[.e][0-9]+|[0-9]+)
 lang.lua.tokens.numbers.format blue bold