Make the \item command in lists customizable

lib/doc/Customization.lyx

@@ -11688,6 +11688,61 @@ TitleLatexName
  global entries).
 \end_layout
 
+\begin_layout Description
+
+\change_inserted -712698321 1355932296
+\begin_inset Flex Code
+status collapsed
+
+\begin_layout Plain Layout
+
+\change_inserted -712698321 1355932178
+ItemCommand
+\end_layout
+
+\end_inset
+
+ [
+\begin_inset Flex Code
+status collapsed
+
+\begin_layout Plain Layout
+
+\change_inserted -712698321 1355932181
+string="item"
+\end_layout
+
+\end_inset
+
+] The LaTeX command sequence declaring an item in a list.
+ The command is to be defined without the preceding backslash (the default
+ is 
+\begin_inset Quotes eld
+\end_inset
+
+item
+\begin_inset Quotes erd
+\end_inset
+
+, resulting in 
+\begin_inset Flex Code
+status collapsed
+
+\begin_layout Plain Layout
+
+\change_inserted -712698321 1355932279
+
+\backslash
+item
+\change_unchanged
+
+\end_layout
+
+\end_inset
+
+ in the LaTeX output).
+\end_layout
+
 \begin_layout Description
 \begin_inset Flex Code
 status collapsed

src/Layout.cpp

@@ -53,6 +53,7 @@ enum LayoutTags {
 	LT_FREE_SPACING,
 	LT_PASS_THRU,
 	LT_PARBREAK_IS_NEWLINE,
+	LT_ITEMCOMMAND,
 	LT_ITEMSEP,
 	LT_KEEPEMPTY,
 	LT_LABEL_BOTTOMSEP,
@@ -145,6 +146,7 @@ Layout::Layout()
 	htmlforcecss_ = false;
 	htmltitle_ = false;
 	spellcheck = true;
+	itemcommand_ = "item";
 }
 
 
@@ -180,6 +182,7 @@ bool Layout::read(Lexer & lex, TextClass const & tclass)
 		{ "innertag",       LT_INNERTAG },
 		{ "inpreamble",     LT_INPREAMBLE },
 		{ "intitle",        LT_INTITLE },
+		{ "itemcommand",    LT_ITEMCOMMAND },
 		{ "itemsep",        LT_ITEMSEP },
 		{ "itemtag",        LT_ITEMTAG },
 		{ "keepempty",      LT_KEEPEMPTY },
@@ -394,6 +397,10 @@ bool Layout::read(Lexer & lex, TextClass const & tclass)
 			lex >> itemtag_;
 			break;
 
+		case LT_ITEMCOMMAND:
+			lex >> itemcommand_;
+			break;
+
 		case LT_PREAMBLE:
 			preamble_ = from_utf8(lex.getLongString("EndPreamble"));
 			break;

src/Layout.h

@@ -86,6 +86,8 @@ public:
 	///
 	std::string const & latexname() const { return latexname_; }
 	///
+	std::string const & itemcommand() const { return itemcommand_; }
+	///
 	void setLatexName(std::string const & n) { latexname_ = n; }
 	/// The arguments of this layout
 	struct latexarg {
@@ -328,6 +330,8 @@ private:
 	docstring labelstring_appendix_;
 	/// LaTeX parameter for environment
 	std::string latexparam_;
+	/// Item command in lists
+	std::string itemcommand_;
 	/// Left delimiter of the content
 	docstring leftdelim_;
 	/// Right delimiter of the content

src/output_latex.cpp

@@ -428,7 +428,7 @@ void parStartCommand(Paragraph const & par, otexstream & os,
 		break;
 	case LATEX_ITEM_ENVIRONMENT:
 	case LATEX_LIST_ENVIRONMENT:
-		os << "\\item";
+		os << "\\" + style.itemcommand();
 		// Item arguments
 		if (!style.itemargs().empty())
 			latexArgInsets(par, os, runparams, style.itemargs(), true);