feat(latex, symbols): add missing LaTeX2e/amsmath/amssymb commands and \mathscr font

doc/markview.nvim-latex.txt

@@ -82,61 +82,61 @@ Demo {img:2}
 	---@param cmd_hl? string Highlight group for the command.
 	---@return markview.config.latex.commands.opts
 	local operator = function (name, text_pos, cmd_conceal, cmd_hl)
-		return {
-			condition = function (item)
-				return #item.args == 1;
-			end,
-
-			on_command = function (item)
-				local symbols = require("markview.symbols");
-
-				return {
-					end_col = item.range[2] + (cmd_conceal or 1),
-					conceal = "",
-
-					virt_text_pos = text_pos or "overlay",
-					virt_text = {
-						{ symbols.tostring("default", name), cmd_hl or "@keyword.function" }
-					},
-
-					hl_mode = "combine"
-				}
-			end,
-
-			on_args = {
-				{
-					on_before = function (item)
-						return {
-							end_col = item.range[2] + 1,
-
-							virt_text_pos = "overlay",
-							virt_text = {
-								{ "(", "@punctuation.bracket" }
-							},
-
-							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],
-
-							virt_text_pos = "overlay",
-							virt_text = {
-								{ ")", "@punctuation.bracket" }
-							},
-
-							hl_mode = "combine"
-						}
-					end
-				}
-			}
-		};
+	    return {
+	        condition = function (item)
+	            return #item.args == 1;
+	        end,
+
+	        on_command = function (item)
+	            local symbols = require("markview.symbols");
+
+	            return {
+	                end_col = item.range[2] + (cmd_conceal or 1),
+	                conceal = "",
+
+	                virt_text_pos = text_pos or "overlay",
+	                virt_text = {
+	                    { symbols.tostring("default", name), cmd_hl or "@keyword.function" }
+	                },
+
+	                hl_mode = "combine"
+	            }
+	        end,
+
+	        on_args = {
+	            {
+	                on_before = function (item)
+	                    return {
+	                        end_col = item.range[2] + 1,
+
+	                        virt_text_pos = "overlay",
+	                        virt_text = {
+	                            { "(", "@punctuation.bracket" }
+	                        },
+
+	                        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],
+
+	                        virt_text_pos = "overlay",
+	                        virt_text = {
+	                            { ")", "@punctuation.bracket" }
+	                        },
+
+	                        hl_mode = "combine"
+	                    }
+	                end
+	            }
+	        }
+	    };
 	end
 
 	commands = {
@@ -428,6 +428,7 @@ Demo {img:3}
 	    mathbf = { enable = true },
 	    mathbfit = { enable = true },
 	    mathcal = { enable = true },
+	    mathscr = { enable = true },
 	    mathbfscr = { enable = true },
 	    mathfrak = { enable = true },
 	    mathbb = { enable = true },

lua/markview/config/latex.lua

@@ -318,6 +318,7 @@ return {
 		mathbf = { enable = true },
 		mathbfit = { enable = true },
 		mathcal = { enable = true },
+		mathscr = { enable = true },
 		mathbfscr = { enable = true },
 		mathfrak = { enable = true },
 		mathbb = { enable = true },

lua/markview/symbols.lua

@@ -4299,6 +4299,37 @@ symbols.entries = {
 	["ggcurly"] = "⪼",
 	["Top"] = "⫪",
 	["Bot"] = "⫫",
+
+	-- LaTeX2e/amsmath/amssymb commands without a unicode-math name.
+	["bigcirc"] = "○",
+	["circlearrowleft"] = "↺",
+	["circlearrowright"] = "↻",
+	["circledS"] = "Ⓢ",
+	["dotsb"] = "⋯",
+	["dotsc"] = "…",
+	["dotsi"] = "⋯",
+	["dotsm"] = "⋯",
+	["dotso"] = "…",
+	["emptyset"] = "∅",
+	["enspace"] = " ",
+	["gvertneqq"] = "≩︀",
+	["hbar"] = "ħ",
+	["iff"] = "⟺",
+	["impliedby"] = "⟸",
+	["implies"] = "⟹",
+	["land"] = "∧",
+	["ldots"] = "…",
+	["lor"] = "∨",
+	["lvertneqq"] = "≨︀",
+	["nleqslant"] = "⩽̸",
+	["nsubseteqq"] = "⫅̸",
+	["nsupseteqq"] = "⫆̸",
+	["qquad"] = "  ",
+	["quad"] = " ",
+	["thickspace"] = " ",
+	["thinspace"] = " ",
+	["varsubsetneqq"] = "⊊︀",
+	["varsupsetneq"] = "⊋︀",
 };
 
 --- Maps typst symbol names to the symbol.
@@ -6325,6 +6356,10 @@ symbols.fonts = {
 	}
 }
 
+-- Unicode has a single script alphabet; `\mathscr` & `\mathcal`
+-- use the same characters.
+symbols.fonts.mathscr = symbols.fonts.mathcal;
+
 ---@param font string
 ---@param text string
 ---@return string

test/latex.md

@@ -31,6 +31,7 @@ Hello LaTeX!
 \mathbffrak{Hello LaTeX!}
 \mathbb{Hello LaTeX!}
 \mathbfscr{Hello LaTeX!}
+\mathscr{Hello LaTeX!}
 \mathrm{Hello LaTeX!}
 $$