fix string edge behaviour for comma and dot

zblz · zblz · commit 358cdeeb35d2 · 2016-01-19T14:20:14.000Z
diff --git a/lib/matplotlib/mathtext.py b/lib/matplotlib/mathtext.py
@@ -2658,11 +2658,12 @@ def symbol(self, s, loc, toks):
 
             # Do not space commas between brackets
             if c == ',':
+                prev_char, next_char = '', ''
                 for i in six.moves.xrange(1, loc + 1):
                     prev_char = s[loc - i]
                     if prev_char != ' ':
                         break
-                for i in six.moves.xrange(1, loc + 1):
+                for i in six.moves.xrange(1, len(s) - loc):
                     next_char = s[loc + i]
                     if next_char != ' ':
                         break
diff --git a/lib/matplotlib/tests/test_mathtext.py b/lib/matplotlib/tests/test_mathtext.py
@@ -105,7 +105,7 @@
     ' '.join('$\\' + p + '$' for p in sorted(mathtext.Parser._snowflake)),
     r'$6-2$; $-2$; $ -2$; ${-2}$; ${  -2}$; $20^{+3}_{-2}$',
     r'$\overline{\omega}^x \frac{1}{2}_0^x$', # github issue #5444
-    r'$1{,}234{, }567{ , }890$ and $1,234,567,890$', # github issue 5799
+    r'$,$ $.$ $1{,}234{, }567{ , }890$ and $1,234,567,890$', # github issue 5799
 ]
 
 digits = "0123456789"

Original file line number	Diff line number	Diff line change
`@@ -105,7 +105,7 @@`
`105`	`105`	`' '.join('$\\' + p + '$' for p in sorted(mathtext.Parser._snowflake)),`
`106`	`106`	`r'$6-2$; $-2$; $ -2$; ${-2}$; ${ -2}$; $20^{+3}_{-2}$',`
`107`	`107`	`r'$\overline{\omega}^x \frac{1}{2}_0^x$', # github issue #5444`
`108`		`- r'$1{,}234{, }567{ , }890$ and $1,234,567,890$', # github issue 5799`
	`108`	`+ r'$,$ $.$ $1{,}234{, }567{ , }890$ and $1,234,567,890$', # github issue 5799`
`109`	`109`	`]`
`110`	`110`
`111`	`111`	`digits = "0123456789"`