? and = must not be percent-encoded in hrefs

Fixes: #11482
(cherry picked from commit c2db448ff5)

src/insets/InsetHyperlink.cpp

@@ -133,8 +133,8 @@ void InsetHyperlink::latex(otexstream & os,
 	if (!url.empty()) {
 		// Use URI/URL-style percent-encoded string (hexadecimal).
 		// We exclude some characters that must not be transformed
-		// in hrefs (% # / :) or that we need to treat manually (\).
-		url = to_percent_encoding(url, from_ascii("%#\\/:"));
+		// in hrefs (% # / : ? =) or that we need to treat manually (\).
+		url = to_percent_encoding(url, from_ascii("%#\\/:?="));
 		// We handle \ manually since \\ is valid
 		for (size_t i = 0, pos;
 			(pos = url.find('\\', i)) != string::npos;

status.23x

@@ -85,6 +85,8 @@ What's new
 
 - Fix paragraph alignment in RTL when using polyglossia (bidi) (bug 11399).
 
+- Fix LaTeX export of query strings in Hyperlinks (bug 11482).
+
 
 * USER INTERFACE