+ // Using original docstring to handle '\n'
+
+ if (s.size() == 0) return "";
+ stringstream t;
+ size_t pos;
+ size_t start = 0;
+ size_t end = s.size() - 1;
+ if (!ignore_format) {
+ while (s[start] == '\n' && start <= end)
+ start++;
+ while (end >= start && s[end] == '\n')
+ end--;
+ if (start >= end + 1)
+ return "";
+ }
+ do {
+ bool dospace = true;
+ int skip = -1;
+ pos = s.find('\n', start);
+ if (pos >= end) {
+ t << lyx::to_utf8(s.substr(start, end + 1 - start));
+ break;
+ }
+ if (!ignore_format) {
+ if ((pos > start + 1) &&
+ s[pos-1] == '\\' &&
+ s[pos-2] == '\\') {
+ skip = 2;
+ if ((pos > start + 2) &&
+ (s[pos+1] == '~' || isSpace(s[pos+1]) ||
+ s[pos-3] == '~' || isSpace(s[pos-3]))) {
+ // discard "\\\\\n", do not replace with space
+ dospace = false;
+ }
+ }
+ else if (pos > start) {
+ if (s[pos-1] == '%') {
+ skip = 1;
+ while ((pos > start+skip) && (s[pos-1-skip] == '%'))
+ skip++;
+ if ((pos > start+skip) &&
+ (s[pos+1] == '~' || isSpace(s[pos+1]) ||
+ s[pos-1-skip] == '~' || isSpace(s[pos-1-skip]))) {
+ // discard '%%%%%\n'
+ dospace = false;
+ }
+ }
+ else if (!isAlnumASCII(s[pos+1]) || !isAlnumASCII(s[pos-1])) {
+ dospace = false;
+ skip = 0; // remove the '\n' only
+ }
+ }
+ }
+ else {
+ dospace = true;
+ skip = 0;
+ }
+ t << lyx::to_utf8(s.substr(start, pos-skip-start));
+ if (dospace)
+ t << ' ';
+ start = pos+1;
+ } while (start <= end);
+ return(t.str());
+}
+
+#else
+static string convertLF2Space(docstring const & s, bool ignore_format)
+{
+ // Using utf8-converted string to handle '\n'
+