Adds article override to make examine text more consistent (#21694)

code/modules/mob/living/carbon/human/human_examine.dm

@@ -56,10 +56,15 @@
 		msg += "!"    //omit the species when examining
 	else if(displayed_species == "Slime People") //snowflakey because Slime People are defined as a plural
 		msg += ", a<b><font color='[examine_color]'> slime person</font></b>!"
-	else if(displayed_species == "Unathi") //DAMN YOU, VOWELS
-		msg += ", a<b><font color='[examine_color]'> unathi</font></b>!"
 	else
-		msg += ", a<b><font color='[examine_color]'> [lowertext(displayed_species)]</font></b>!"
+		// do all this extra stuff because byond's text macros get confused by whatever comes between the species name and the article,
+		// so we can't just do \a
+		var/article_override = dna?.species.article_override
+		var/article = article_override
+		if(!article_override)
+			article = starts_with_vowel(displayed_species) ? "an" : "a"
+
+		msg += ", [article]<b><font color='[examine_color]'> [lowertext(displayed_species)]</font></b>!"
 
 	return msg
 

code/modules/mob/living/carbon/human/species/_species.dm

@@ -1,6 +1,9 @@
 /datum/species
 	var/name                     // Species name.
 	var/name_plural 			// Pluralized name (since "[name]s" is not always valid)
+	/// Article to use when referring to an individual of the species, if pronunciation is different from expected.
+	/// Because it's unathi's turn to be special snowflakes.
+	var/article_override
 	var/icobase = 'icons/mob/human_races/r_human.dmi'    // Normal icon set.
 
 	/// Minimum age this species can have

code/modules/mob/living/carbon/human/species/unathi.dm

@@ -1,6 +1,7 @@
 /datum/species/unathi
 	name = "Unathi"
 	name_plural = "Unathi"
+	article_override = "a"  // it's pronounced "you-nah-thee"
 	icobase = 'icons/mob/human_races/r_lizard.dmi'
 	language = "Sinta'unathi"
 	tail = "sogtail"
@@ -106,6 +107,7 @@
 /datum/species/unathi/ashwalker
 	name = "Ash Walker"
 	name_plural = "Ash Walkers"
+	article_override = null
 
 	blurb = "These reptillian creatures appear to be related to the Unathi, but seem significantly less evolved. \
 	They roam the wastes of Lavaland, worshipping a dead city and capturing unsuspecting miners."