* (bug 4528) Lack of important LaTeX functions stackrel, rightleftharpoon

* (bug 6721) missing symbols ulcorner, urcorner, llcorner, lrcorner, twoheadrightarrow, twoheadleftarrow
* (bug 7367) Hyphens sometimes erroneously appended to equations when not converted to PNG

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 4b09696..3748636 100644 (file)
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -279,7 +279,9 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 7526) Make $wgDefaultUserOptions work again
 * (bug 7472) Localize Help namespace for Basque
 * (bug 7529) Including a non-existent category in an article places that article in the category
-
+* (bug 4528) Lack of important LaTeX functions stackrel, rightleftharpoon
+* (bug 6721) missing symbols ulcorner, urcorner, llcorner, lrcorner, twoheadrightarrow, twoheadleftarrow
+* (bug 7367) Hyphens sometimes erroneously appended to equations when not converted to PNG
 
 == Languages updated ==
 

diff --git a/math/render.ml b/math/render.ml
index 864681e..e9a2168 100644 (file)
--- a/math/render.ml
+++ b/math/render.ml
@@ -19,7 +19,8 @@ let render tmppath finalpath outtex md5 =
        Sys.remove (tmpprefix ^ ".aux");
        Sys.remove (tmpprefix ^ ".log");
         Sys.remove (tmpprefix ^ ".tex");
-       Sys.remove (tmpprefix ^ ".ps");
+       if Sys.file_exists (tmpprefix ^ ".ps")
+       then Sys.remove (tmpprefix ^ ".ps");
       end in
     let f = (Util.open_out_unless_exists (tmpprefix ^ ".tex")) in
       begin

diff --git a/math/texutil.ml b/math/texutil.ml
index f7678e3..b4cd268 100644 (file)
--- a/math/texutil.ml
+++ b/math/texutil.ml
@@ -152,6 +152,13 @@ let find = function
     | "\\Downarrow"        -> DELIMITER (HTMLABLE  (FONT_UF,  "\\Downarrow ", "⇓"))
     | "\\updownarrow"      -> DELIMITER (TEX_ONLY "\\updownarrow ")
     | "\\Updownarrow"      -> DELIMITER (TEX_ONLY "\\Updownarrow ")
+    | "\\ulcorner"         -> (tex_use_ams (); DELIMITER (TEX_ONLY "\\ulcorner "))
+    | "\\urcorner"         -> (tex_use_ams (); DELIMITER (TEX_ONLY "\\urcorner "))
+    | "\\llcorner"         -> (tex_use_ams (); DELIMITER (TEX_ONLY "\\llcorner "))
+    | "\\lrcorner"         -> (tex_use_ams (); DELIMITER (TEX_ONLY "\\lrcorner "))
+    | "\\twoheadleftarrow" -> (tex_use_ams (); DELIMITER (TEX_ONLY "\\twoheadleftarrow "))
+    | "\\twoheadrightarrow" -> (tex_use_ams (); DELIMITER (TEX_ONLY "\\twoheadrightarrow "))
+    | "\\rightleftharpoons" -> DELIMITER (TEX_ONLY "\\rightleftharpoons ")
     | "\\leftrightarrow"   -> LITERAL (HTMLABLE  (FONT_UF,  "\\leftrightarrow ", "↔"))
     | "\\lrarr"            -> LITERAL (HTMLABLE  (FONT_UF,  "\\leftrightarrow ", "↔"))
     | "\\harr"             -> LITERAL (HTMLABLE  (FONT_UF,  "\\leftrightarrow ", "↔"))
@@ -169,7 +176,6 @@ let find = function
     | "\\nearrow"          -> LITERAL (TEX_ONLY "\\nearrow ")
     | "\\swarrow"          -> LITERAL (TEX_ONLY "\\swarrow ")
     | "\\nwarrow"          -> LITERAL (TEX_ONLY "\\nwarrow ")
-    | "\\sim"              -> LITERAL (TEX_ONLY "\\sim ")
     | "\\simeq"            -> LITERAL (TEX_ONLY "\\simeq ")
     | "\\star"             -> LITERAL (TEX_ONLY "\\star ")
     | "\\ell"              -> LITERAL (TEX_ONLY "\\ell ")
@@ -440,6 +446,7 @@ let find = function
     | "\\choose"           -> FUN_INFIX "\\choose "
     | "\\atop"             -> FUN_INFIX "\\atop "
     | "\\binom"            -> FUN_AR2 "\\binom "
+    | "\\stackrel"         -> FUN_AR2 "\\stackrel "
     | "\\frac"             -> FUN_AR2h ("\\frac ", fun num den -> Html.html_render [num], "<hr style=\"{background: black}\"/>", Html.html_render [den])
     | "\\cfrac"            -> (tex_use_ams (); FUN_AR2h ("\\cfrac ", fun num den -> Html.html_render [num], "<hr style=\"{background: black}\">", Html.html_render [den]))
     | "\\over"             -> FUN_INFIXh ("\\over ", fun num den -> Html.html_render num, "<hr style=\"{background: black}\"/>", Html.html_render den)