Tweak comments

Author: arp242

testdata/if.zsh

@@ -23,4 +23,7 @@ fi
 [[ x = y ]]&&((1>0))&& print x
 
 # TODO: maybe show error for these invalid constructs (missing spaces)?
+# Since these are valid glob patterns (though unlikely), we can highlight it as
+# an error only if it's after a zshConditional, or if it's preceded or followed
+# by zshOperator.
 [[x=x]] && [x=x]

testdata/quotes.zsh

@@ -1,13 +1,13 @@
 # Test quoting.
 
  'single'   'var: $var'   'subst: $(ls)'   'esc: \n \x01 \001'
- "double"   "var: $var"   "subst: $(ls)"   "esc: \n \x01 \001" # TODO: these last 2 are not highlighted
+ "double"   "var: $var"   "subst: $(ls)"   "esc: \n \x01 \001"
 $'single'  $'var: $var'  $'subst: $(ls)'  $'esc: \n \x01 \001'
  `batick`   `var: $var`   `subst: $(ls)`   `esc: \n \x01 \001`
 
 "'nest'" "`nest`"
 '"nest"' '`nest`'
 
  "escape: \" \' \` \\ escape"
- 'escape: \" \' \` \\ escape'  # TODO: maybe highlight \' as an error?
+ 'escape: \" \' \` \\ escape'
 $'escape: \" \' \` \\ escape'