feat(latex): Added \vec{} support

lua/markview/spec.lua

@@ -1932,6 +1932,51 @@ spec.default = {
 				}
 			},
 
+			["vec"] = {
+				condition = function (item)
+					return #item.args == 1;
+				end,
+				on_command = {
+					conceal = ""
+				},
+
+				on_args = {
+					{
+						on_before = function (item)
+							return {
+								end_col = item.range[2] + 1,
+								conceal = "",
+
+								virt_text_pos = "inline",
+								virt_text = {
+									{ "󱈥 ", "MarkviewPalette2Fg" },
+									{ "(", "@punctuation.bracket.latex" }
+								},
+
+								hl_mode = "combine"
+							}
+						end,
+
+						after_offset = function (range)
+							return { range[1], range[2], range[3], range[4] - 1 };
+						end,
+						on_after = function (item)
+							return {
+								end_col = item.range[4],
+								conceal = "",
+
+								virt_text_pos = "inline",
+								virt_text = {
+									{ ")", "@punctuation.bracket" }
+								},
+
+								hl_mode = "combine"
+							}
+						end
+					}
+				}
+			},
+
 			["sin"] = operator("sin"),
 			["cos"] = operator("cos"),
 			["tan"] = operator("tan"),