Fix cprotect with Slovak

babel-slovak makes ^ active, though cprotect relies on it being
catcode 9 ("ignored"). Thus we locally change the catcode with Slovak.

lib/languages

@@ -1336,7 +1336,7 @@ Language slovak
 	BabelName        slovak
 	PolyglossiaName  slovak
 	QuoteStyle       german
-	ActiveChars      -
+	ActiveChars      -^
 	Encoding         iso8859-2
 	FontEncoding	 T1|OT1
 	DateFormats      "d. MMMM yyyy|d. MMM yyyy|d.M.yyyy"

src/insets/InsetBox.cpp

@@ -396,6 +396,7 @@ void InsetBox::latex(otexstream & os, OutputParams const & runparams) const
 	if (stdwidth && !(buffer().params().paragraph_separation))
 		os << "\\noindent";
 
+	bool needendgroup = false;
 	switch (btype) {
 	case Frameless:
 		break;
@@ -439,9 +440,15 @@ void InsetBox::latex(otexstream & os, OutputParams const & runparams) const
 		} else {
 			if (params_.framecolor != "black" || params_.backgroundcolor != "none")
 				os << "\\fcolorbox{" << params_.framecolor << "}{" << params_.backgroundcolor << "}";
-			else
+			else {
+				if (!cprotect.empty() && contains(runparams.active_chars, '^')) {
+					// cprotect relies on ^ being ignored
+					os << "\\begingroup\\catcode`\\^=9";
+					needendgroup = true;
+				}
 				os << cprotect << "\\fbox";
 			}
+		}
 		os << "{";
 		break;
 	case ovalbox:
@@ -592,6 +599,8 @@ void InsetBox::latex(otexstream & os, OutputParams const & runparams) const
 			os << "}";
 		if (separation_string != defaultSep || thickness_string != defaultThick)
 			os << "}";
+		if (needendgroup)
+			os << "\\endgroup";
 		break;
 	case ovalbox:
 		os << "}";

src/insets/InsetText.cpp

@@ -454,14 +454,20 @@ void InsetText::latex(otexstream & os, OutputParams const & runparams) const
 	InsetLayout const & il = getLayout();
 	if (il.forceOwnlines())
 		os << breakln;
+	bool needendgroup = false;
 	if (!il.latexname().empty()) {
 		if (il.latextype() == InsetLayout::COMMAND) {
 			// FIXME UNICODE
 			// FIXME \protect should only be used for fragile
 			//    commands, but we do not provide this information yet.
-			if (hasCProtectContent(runparams.moving_arg))
+			if (hasCProtectContent(runparams.moving_arg)) {
+				if (contains(runparams.active_chars, '^')) {
+					// cprotect relies on ^ being ignored
+					os << "\\begingroup\\catcode`\\^=9";
+					needendgroup = true;
+				}
 				os << "\\cprotect";
-			else if (runparams.moving_arg)
+			} else if (runparams.moving_arg)
 				os << "\\protect";
 			os << '\\' << from_utf8(il.latexname());
 			if (!il.latexargs().empty())
@@ -522,6 +528,8 @@ void InsetText::latex(otexstream & os, OutputParams const & runparams) const
 			os << "}";
 			if (!il.postcommandargs().empty())
 				getArgs(os, runparams, true);
+			if (needendgroup)
+				os << "\\endgroup";
 		} else if (il.latextype() == InsetLayout::ENVIRONMENT) {
 			// A comment environment doesn't need a % before \n\end
 			if (il.isDisplay() || runparams.inComment)

src/output_latex.cpp

@@ -679,8 +679,12 @@ void parStartCommand(Paragraph const & par, otexstream & os,
 {
 	switch (style.latextype) {
 	case LATEX_COMMAND:
-		if (par.needsCProtection(runparams.moving_arg))
+		if (par.needsCProtection(runparams.moving_arg)) {
+			if (contains(runparams.active_chars, '^'))
+				// cprotect relies on ^ being ignored
+				os << "\\begingroup\\catcode`\\^=9";
 			os << "\\cprotect";
+		}
 		os << '\\' << from_ascii(style.latexname());
 
 		// Command arguments
@@ -794,8 +798,13 @@ void TeXOnePar(Buffer const & buf,
 		// I did not create a parEndCommand for this minuscule
 		// task because in the other user of parStartCommand
 		// the code is different (JMarc)
-		if (style.isCommand())
+		if (style.isCommand()) {
-			os << "}\n";
+			os << "}";
+			if (par.needsCProtection(runparams.moving_arg)
+			    && contains(runparams.active_chars, '^'))
+				os << "\\endgroup";
+			os << "\n";
+		}
 		else
 			os << '\n';
 		if (!style.parbreak_is_newline) {
@@ -1116,6 +1125,9 @@ void TeXOnePar(Buffer const & buf,
 				os << runparams.post_macro;
 				runparams.post_macro.clear();
 			}
+			if (par.needsCProtection(runparams.moving_arg)
+			    && contains(runparams.active_chars, '^'))
+				os << "\\endgroup";
 			if (runparams.encoding != prev_encoding) {
 				runparams.encoding = prev_encoding;
 				os << setEncoding(prev_encoding->iconvName());
@@ -1280,6 +1292,9 @@ void TeXOnePar(Buffer const & buf,
 				os << runparams.post_macro;
 				runparams.post_macro.clear();
 			}
+			if (par.needsCProtection(runparams.moving_arg)
+			    && contains(runparams.active_chars, '^'))
+				os << "\\endgroup";
 			if (runparams.encoding != prev_encoding) {
 				runparams.encoding = prev_encoding;
 				os << setEncoding(prev_encoding->iconvName());