Autopunctuation improvements: Now with correctly-handled chat markdow…

…n! (#378)

* Autopunctuation regex fix

* Add unflavored markdown EOL checking to autopunctuation

* Combine has_no_eol_punctuation and ends_in_unflavored_markdown for less findtext() calls

* Remove unused autopunctuation regex globals and simplify pattern

modular_nova/master_files/code/_globalvars/regexes.dm

@@ -1,5 +1,5 @@
-//Any EOL char that isn't appropriate punctuation
-GLOBAL_DATUM_INIT(has_no_eol_punctuation, /regex, regex(@"\w$"))
+//Does the line end in any EOL char that isn't appropriate punctuation OR does it end in a chat-formatted markdown sequence (+bold+, etc) without a period?
+GLOBAL_DATUM_INIT(needs_eol_autopunctuation, /regex, regex(@"([a-zA-Z\d]|[^.?!~-][+|_])$"))
 
 //All non-capitalized 'i' surrounded with whitespace (aka, 'hello >i< am a cat')
 GLOBAL_DATUM_INIT(noncapital_i, /regex, regex(@"\b[i]\b", "g"))

modular_nova/master_files/code/_globalvars/text.dm

@@ -1,7 +1,8 @@
-/// Ensures sentences end in appropriate punctuation (a period if none exist)
-/// and that all whitespace-bounded 'i' characters are capitalized.
+/// Ensures sentences end in appropriate punctuation (a period if none exist) and that all whitespace-bounded 'i' characters are capitalized.
+/// If the sentence ends in chat-flavored markdown for bolds, italics or underscores and does not have a preceding period, exclamation mark or other flavored sentence terminator, add a period.
+/// (e.g: 'Borgs are rogue' becomes 'Borgs are rogue.', '+BORGS ARE ROGUE+ becomes '+BORGS ARE ROGUE+.', '+Borgs are rogue~+' is untouched.)
 /proc/autopunct_bare(input_text)
-	if (findtext(input_text, GLOB.has_no_eol_punctuation))
+	if (findtext(input_text, GLOB.needs_eol_autopunctuation))
 		input_text += "."
 
 	input_text = replacetext(input_text, GLOB.noncapital_i, "I")