ExoticSectionNames
  Searching for the real boundaries of valid anchor/section names.  
begin page
✎ ✎ ✎ include #mid-start#mid-end ✎ ✎ ✎ 
✐ ✐ ✐ include #mid-start#mid-end ✐ ✐ ✐
✎ ✎ ✎ include #mid-start#mid-end ✎ ✎ ✎ Will it create a duplicate HTML element id?
«before the start anchor. a line between the anchors. then, after a line»
✐ ✐ ✐ include #mid-start#mid-end ✐ ✐ ✐
✎ ✎ ✎ include #hyph-- ✎ ✎ ✎ 
✐ ✐ ✐ include #hyph-- ✐ ✐ ✐
✎ ✎ ✎ include #usc__ ✎ ✎ ✎ 
✐ ✐ ✐ include #usc__ ✐ ✐ ✐
✎ ✎ ✎ include #one-dot. ✎ ✎ ✎ 
✐ ✐ ✐ include #one-dot. ✐ ✐ ✐
✎ ✎ ✎ include #two-dots.. ✎ ✎ ✎ 
«»
✐ ✐ ✐ include #two-dots.. ✐ ✐ ✐
✎ ✎ ✎ include #before-2-dots#three-dots... ✎ ✎ ✎ 
✐ ✐ ✐ include #before-2-dots#three-dots... ✐ ✐ ✐
✎ ✎ ✎ include #three-dots... ✎ ✎ ✎ 
«»
✐ ✐ ✐ include #three-dots... ✐ ✐ ✐
✎ ✎ ✎ include #four-dots.... ✎ ✎ ✎ 
«»
✐ ✐ ✐ include #four-dots.... ✐ ✐ ✐
✎ ✎ ✎ include #dots-line.. ✎ ✎ ✎ 
«»
✐ ✐ ✐ include #dots-line.. ✐ ✐ ✐
begin source with anchors
before the start anchor. a line between the anchors. then, after a linejoiner, the end anchor.
Can anchors end with hyphens? end with hyphens
Can anchors end with underscores? end with underscores
Can anchors end with a 1 dot? end with 1 dot
Can anchors end with 2 dots? end with 2 dots
Can anchors end with 3 dots? end with 3 dots
Can anchors end with 4 dots? end with 4 dots
Can anchors end with dots if they appear on a line of their own? end with dots in own line
#..dots Can anchors start with dots? start with dots
#--hyph Can anchors start with hyphens? start with hyphens
#__usc Can anchors start with underscores? start with underscores