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-rw-r--r--src/algebra/tex.spad.pamphlet12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/algebra/tex.spad.pamphlet b/src/algebra/tex.spad.pamphlet
index 3b296d57..99314dff 100644
--- a/src/algebra/tex.spad.pamphlet
+++ b/src/algebra/tex.spad.pamphlet
@@ -301,7 +301,7 @@ TexFormat(): public == private where
lineConcat( line : S, lines: L S ) : L S ==
length := #line
- if ( length > 0 ) then
+ if positive? length then
-- If the last character is a backslash then split at "\ ".
-- Reinstate the blank.
@@ -367,7 +367,7 @@ TexFormat(): public == private where
ls := ls + lss + 1
s := concat(s,concat(ss," ")$S)$S
- if ls > 0 then l := lineConcat( s, l )
+ if positive? ls then l := lineConcat( s, l )
reverse l
@@ -606,14 +606,14 @@ TexFormat(): public == private where
len > 1 and str.1 = char "%" and str.2 = char "%" =>
u : US := segment(3,len)$US
concat(" \%\%",str.u)
- len > 0 and str.1 = char "%" => concat(" \",str)
+ positive? len and str.1 = char "%" => concat(" \",str)
len > 1 and digit? str.1 => group str -- should handle floats
- len > 0 and str.1 = char "_"" =>
+ positive? len and str.1 = char "_"" =>
concat(concat(" \mbox{\tt ",str),"} ")
len = 1 and str.1 = char " " => "{\ }"
- (i := position(str,specialStrings)) > 0 =>
+ positive?(i := position(str,specialStrings)) =>
specialStringsInTeX.i
- (i := position(char " ",str)) > 0 =>
+ positive?(i := position(char " ",str)) =>
-- We want to preserve spacing, so use a roman font.
concat(concat(" \mbox{\rm ",str),"} ")
str