Bug fix: Collapse adjacent "\t\f\n\r" characters into a single space.

Test case: http://www.dillo.org/test/weird_pre.html

1 files changed, 9 insertions, 4 deletions

diff --git a/src/html.cc b/src/html.cc
index c59a9ddd..356d08f8 100644
--- a/src/html.cc
+++ b/src/html.cc
@@ -1164,10 +1164,15 @@ static void Html_process_word(DilloHtml *html, const char *word, int size)
       } else {
          /* Collapse white-space entities inside the word (except  ) */
          Pword = a_Html_parse_entities(html, word, size);
-         for (i = 0; Pword[i]; ++i)
-            if (strchr("\t\f\n\r", Pword[i]))
-               for (j = i; (Pword[j] = Pword[j+1]); ++j) ;
-   
+         /* Collapse adjacent "\t\f\n\r" characters into a single space */
+         for (i = j = 0; (Pword[i] = Pword[j]); ++i, ++j) {
+            if (strchr("\t\f\n\r", Pword[i])) {
+               if (i == 0 || (i > 0 && Pword[i-1] != ' '))
+                  Pword[i] = ' ';
+               else 
+                  for (--i; strchr("\t\f\n\r", Pword[j+1]); ++j) ;
+            }
+         }
          DW2TB(html->dw)->addText(Pword, html->styleEngine->wordStyle ());
          dFree(Pword);
       }