Scope +o options

Fixes #8.

Speculatively scoping "+opt" as option too, not only "+o". If there's an
issue with this later on, we can always make this stricter.

syntaxes/cmd-help.sublime-syntax

@@ -331,6 +331,10 @@ contexts:
     - match: '{{allcaps_argument_name}}(:{{allcaps_argument_name}})*'
       scope: *OPTION_ARGUMENT_SCOPES
       set: then-pop
+    # e.g.: "+s, --no-sort" (from fzf)
+    - match: '[a-z]+'
+      scope: *OPTION_DEF_SCOPES
+      set: option-def-post
     - include: else-pop
 
   ### other definitions ########################################################

tests/syntax/syntax_test_fzf.txt

@@ -8,9 +8,7 @@ usage: fzf [options]
     -e, --exact           Enable Exact-match
     -i                    Case-insensitive match (default: smart-case match)
     +i                    Case-sensitive match
-#   ^ entity.name.function.option.cmd-help
-#    ^ - entity.name.function.option.cmd-help
-#todo #8: scope +options
+#   ^^ entity.name.function.option.cmd-help
     --scheme=SCHEME       Scoring scheme [default|path|history]
     --literal             Do not normalize latin script letters before matching
     -n, --nth=N[,..]      Comma-separated list of field index expressions
@@ -20,10 +18,9 @@ usage: fzf [options]
                           field index expressions
     -d, --delimiter=STR   Field delimiter regex (default: AWK-style)
     +s, --no-sort         Do not sort the result
-#   ^ entity.name.function.option.cmd-help
-#    ^ - entity.name.function.option.cmd-help
+#   ^^ entity.name.function.option.cmd-help
 #     ^^ - entity.name.function.option.cmd-help
-#       ^^^^^^^^^ - entity.name.function.option.cmd-help
+#       ^^^^^^^^^ entity.name.function.option.cmd-help
     --tac                 Reverse the order of the input
     --disabled            Do not perform search
     --tiebreak=CRI[,..]   Comma-separated list of sort criteria to apply