merge with stable

2 files changed, 12 insertions, 23 deletions

diff --git a/pygments/formatters/html.py b/pygments/formatters/html.py
index babf7ebc..55548d30 100644
--- a/pygments/formatters/html.py
+++ b/pygments/formatters/html.py
@@ -36,21 +36,11 @@ _escape_html_table = {
     ord("'"): u''',
 }
 
+
 def escape_html(text, table=_escape_html_table):
     """Escape &, <, > as well as single and double quotes for HTML."""
     return text.translate(table)
 
-def get_random_id():
-    """Return a random id for javascript fields."""
-    from random import random
-    from time import time
-    try:
-        from hashlib import sha1 as sha
-    except ImportError:
-        import sha
-        sha = sha.new
-    return sha('%s|%s' % (random(), time())).hexdigest()
-
 
 def _get_ttype_class(ttype):
     fname = STANDARD_TYPES.get(ttype)
diff --git a/pygments/formatters/latex.py b/pygments/formatters/latex.py
index e6747e18..15e68e37 100644
--- a/pygments/formatters/latex.py
+++ b/pygments/formatters/latex.py
@@ -360,7 +360,7 @@ class LatexFormatter(Formatter):
                         start += value[i]
 
                     value = value[len(start):]
-                    start = escape_tex(start, self.commandprefix)
+                    start = escape_tex(start, cp)
 
                     # ... but do not escape inside comment.
                     value = start + value
@@ -370,26 +370,26 @@ class LatexFormatter(Formatter):
                     in_math = False
                     for i, part in enumerate(parts):
                         if not in_math:
-                            parts[i] = escape_tex(part, self.commandprefix)
+                            parts[i] = escape_tex(part, cp)
                         in_math = not in_math
                     value = '$'.join(parts)
                 elif self.escapeinside:
                     text = value
                     value = ''
-                    while len(text) > 0:
+                    while text:
                         a, sep1, text = text.partition(self.left)
-                        if len(sep1) > 0:
+                        if sep1:
                             b, sep2, text = text.partition(self.right)
-                            if len(sep2) > 0:
-                                value += escape_tex(a, self.commandprefix) + b
+                            if sep2:
+                                value += escape_tex(a, cp) + b
                             else:
-                                value += escape_tex(a + sep1 + b, self.commandprefix)
+                                value += escape_tex(a + sep1 + b, cp)
                         else:
-                            value = value + escape_tex(a, self.commandprefix)
+                            value += escape_tex(a, cp)
                 else:
-                    value = escape_tex(value, self.commandprefix)
+                    value = escape_tex(value, cp)
             elif ttype not in Token.Escape:
-                value = escape_tex(value, self.commandprefix)
+                value = escape_tex(value, cp)
             styles = []
             while ttype is not Token:
                 try:
@@ -423,8 +423,7 @@ class LatexFormatter(Formatter):
 
 
 class LatexEmbeddedLexer(Lexer):
-    r"""
-
+    """
     This lexer takes one lexer as argument, the lexer for the language
     being formatted, and the left and right delimiters for escaped text.