vdoc: HTML highlight generic function as function, not name (#13923)

cmd/tools/vdoc/html.v

@@ -326,7 +326,8 @@ fn html_highlight(code string, tb &ast.Table) string {
 						tok_typ = .builtin
 					} else if next_tok.kind == .lcbr {
 						tok_typ = .symbol
-					} else if next_tok.kind == .lpar {
+					} else if next_tok.kind == .lpar
+						|| (!tok.lit[0].is_capital() && next_tok.kind == .lt) {
 						tok_typ = .function
 					} else {
 						tok_typ = .name

cmd/tools/vdoc/utils.v

@@ -206,7 +206,7 @@ fn color_highlight(code string, tb &ast.Table) string {
 					} else if
 						next_tok.kind in [.lcbr, .rpar, .eof, .comma, .pipe, .name, .rcbr, .assign, .key_pub, .key_mut, .pipe, .comma]
 						&& prev.kind in [.name, .amp, .rsbr, .key_type, .assign, .dot, .question, .rpar, .key_struct, .key_enum, .pipe, .key_interface]
-						&& (tok.lit[0].ascii_str().is_upper() || prev_prev.lit in ['C', 'JS']) {
+						&& (tok.lit[0].is_capital() || prev_prev.lit in ['C', 'JS']) {
 						tok_typ = .symbol
 					} else if next_tok.kind in [.lpar, .lt] {
 						tok_typ = .function
@@ -214,7 +214,7 @@ fn color_highlight(code string, tb &ast.Table) string {
 						if tok.lit in ['C', 'JS'] {
 							tok_typ = .prefix
 						} else {
-							if tok.lit[0].ascii_str().is_upper() {
+							if tok.lit[0].is_capital() {
 								tok_typ = .symbol
 							} else {
 								tok_typ = .module_

vlib/builtin/int.v

@@ -449,6 +449,7 @@ pub fn (nn u64) hex_full() string {
 }
 
 // str returns the contents of `byte` as a zero terminated `string`.
+// See also: [`byte.ascii_str`](#byte.ascii_str)
 // Example: assert byte(111).str() == '111'
 pub fn (b byte) str() string {
 	return int(b).str_l(7)

vlib/builtin/string.v

@@ -1208,6 +1208,7 @@ pub fn (s string) to_upper() string {
 }
 
 // is_upper returns `true` if all characters in the string is uppercase.
+// See also: [`byte.is_capital`](#byte.is_capital)
 // Example: assert 'HELLO V'.is_upper() == true
 [direct_array_access]
 pub fn (s string) is_upper() bool {