Use label syntax in show, fix error

Doesn't currently work, see https://github.com/typst/typst/issues/147

leipzig-gloss.typ

@@ -18,14 +18,15 @@
     for item_index in range(0, len) {
         let args = ()
         for (line_idx, formatter) in formatters.enumerate() {
-            let formatter_fn = if formatter == none {
+            let label_string = "leipzig-glossing-" + formatter.label
+            let formatter_fn = if formatter.fn == none {
                 (x) => x
             } else {
-                formatter
+                formatter.fn
             }
 
             let item = gloss_line_lists.at(line_idx).at(item_index)
-            args.push(formatter_fn(item))
+            args.push([#formatter_fn(item) #label(label_string)])
         }
         make_item_box(..args)
         h(spacing_between_items)
@@ -65,26 +66,26 @@
 
         if header_text != none {
             if header_text_style != none {
-                header_text_style(header_text)
+                [#header_text_style(header_text) #label("leipzig-glossing-header_text")]
             } else {
-                header_text
+                [#header_text #label("leipzig-glossing-header_text")]
             }
             linebreak()
         }
 
-        let formatters = (source_text_style,)
+        let formatters = (("fn": source_text_style, "label": "source_text"),)
         let gloss_line_lists = (source_text,)
 
         if transliteration != none {
-            formatters.push(transliteration_style)
+            formatters.push(("fn": transliteration_style, "label": "transliteration"))
             gloss_line_lists.push(transliteration)
         }
 
-        formatters.push(morphemes_style)
+        formatters.push(("fn": morphemes_style, "label": "morpheme"))
         gloss_line_lists.push(morphemes)
 
         for additional in additional_gloss_lines {
-            formatters.push(none) //TODO fix this
+            formatters.push(("fn": none, "label": none)) //TODO fix this
             gloss_line_lists.push(additional)
         }
 

new-example.typ

@@ -0,0 +1,33 @@
+#import "leipzig-gloss.typ": gloss, numbered_gloss, gloss_count
+#import "linguistic-abbreviations.typ": *
+
+#show <leipzig-glossing-header_text>: set text(blue)
+#show label("leipzig-glossing-source_text"): set text(weight: "bold")
+
+= Saimiar
+
+#let sc = smallcaps
+
+From the song Tetrachromacy (_xoikesêcuxasø_) by King Gizzard.
+
+#gloss(
+    header_text: [vath sêcubai dhiakŋo, somyxasan krexasir êsuŋo],
+    source_text: ([vath], [sêcu-bai], [dhika-ŋo], [so-my-xas-an], [kre-xas-ir], [êsu-ŋo]),
+    morphemes: ([three], [color-#sc[1sg]:#sc[pos]], [divide-#sc[cop]], [#sc[all]-un-see-#sc[nom]], [#sc[pot]-see-#sc[nom]], [desire-#sc[cop]]),
+    translation: [my three shades are divisible, lust to see the invisible],
+)
+
+#gloss(
+    header_text: [vath sêcubai dhiakŋo, somyxasan krexasir êsuŋo],
+    header_text_style: text.with(fill: green),
+    source_text: ([vath], [sêcu-bai], [dhika-ŋo], [so-my-xas-an], [kre-xas-ir], [êsu-ŋo]),
+    morphemes: ([three], [color-#sc[1sg]:#sc[pos]], [divide-#sc[cop]], [#sc[all]-un-see-#sc[nom]], [#sc[pot]-see-#sc[nom]], [desire-#sc[cop]]),
+    translation: [my three shades are divisible, lust to see the invisible],
+)
+
+#gloss(
+    header_text: [This text is about eating your head.],
+    source_text: (text(fill:black)[I'm], [eat-ing], [your], [head]),
+    morphemes: ([1#sg.#sbj\=to.be], text(fill:black)[eat-#prog], [2#sg.#pos], [head]),
+    translation: text(weight: "bold")[I'm eating your head!],
+)