Fix \sqrt (broken when I made the parser more strict).

mdboom · mdboom · commit 2afba2a0017e · 2007-08-23T17:58:49.000Z
svn path=/trunk/matplotlib/; revision=3732
diff --git a/lib/matplotlib/_mathtext_data.py b/lib/matplotlib/_mathtext_data.py
@@ -30,6 +30,7 @@
     r'\bigwedge'            : ('cmex10',   4),
     r'\bigvee'              : ('cmex10',  37),
     r'\coprod'              : ('cmex10',  42),
+    r'\__sqrt__'            : ('cmex10',  48),
     r'\leftbrace'           : ('cmex10',  92),
     r'{'                    : ('cmex10',  92),
     r'\{'                   : ('cmex10',  92),
@@ -316,6 +317,7 @@
     r'\Pi'              : ('psyr', 213),
     r'\prod'            : ('psyr', 213),
     r'\surd'            : ('psyr', 214),
+    r'\__sqrt__'        : ('psyr', 214),
     r'\cdot'            : ('psyr', 215),
     r'\urcorner'        : ('psyr', 216),
     r'\vee'             : ('psyr', 217),
@@ -2044,6 +2046,7 @@
 'rightzigzagarrow': 8669,
 'rightarrow': 8594,
 'leftarrow': 8592,
+'__sqrt__': 8730,           
 'twoheaddownarrow': 8609,
 'oint': 8750,
 'bigvee': 8897,
@@ -2553,6 +2556,7 @@
 'rightzigzagarrow': 'uni21DD',
 'rightarrow': 'uni2192',
 'leftarrow': 'uni2190',
+'__sqrt__': 'uni221A',             
 'twoheaddownarrow': 'uni21A1',
 'oint': 'uni222E',
 'bigvee': 'uni22C1',
diff --git a/lib/matplotlib/mathtext.py b/lib/matplotlib/mathtext.py
@@ -645,7 +645,7 @@ def _get_glyph(self, fontname, sym, fontsize):
                         ('ex', '\xbf'), ('ex', '\x2a')],
         r'\rangle'   : [('cal', '\x69'), ('ex', '\xae'), ('ex', '\x45'),
                         ('ex', '\xc0'), ('ex', '\x2b')],
-        r'\sqrt'     : [('cal', '\x70'), ('ex', '\x70'), ('ex', '\x71'),
+        r'\__sqrt__' : [('cal', '\x70'), ('ex', '\x70'), ('ex', '\x71'),
                         ('ex', '\x72'), ('ex', '\x73')],
         r'\backslash': [('cal', '\x6e'), ('ex', '\xb2'), ('ex', '\x2f'),
                         ('ex', '\xc2'), ('ex', '\x2d')],
@@ -2296,7 +2296,7 @@ def sqrt(self, s, loc, toks):
         # the height so it doesn't seem cramped
         height = body.height - body.shift_amount + thickness * 5.0
         depth = body.depth + body.shift_amount
-        check = AutoHeightChar(r'\sqrt', height, depth, state, always=True)
+        check = AutoHeightChar(r'\__sqrt__', height, depth, state, always=True)
         height = check.height - check.shift_amount
         depth = check.depth + check.shift_amount
 
