michael/lean2
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

feat(frontends/lean/scanner): allow upper-case greek letters in identifiers but Pi and Sigma

Browse source
This commit is contained in:
Leonardo de Moura 2015-03-29 11:33:58 -07:00
parent 47c0ae5914
commit 033f3b630d
1 changed files with 1 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
src/frontends/lean/scanner.cpp
View file

@ -54,6 +54,7 @@ bool is_greek_unicode(unsigned u) { return 0x391 <= u && u <= 0x3DD; }
bool is_letter_like_unicode(unsigned u) {
return
(0x3b1 <= u && u <= 0x3c9 && u != 0x3bb) || // Lower greek, but lambda
(0x391 <= u && u <= 0x3A9 && u != 0x3A0 && u != 0x3A3) || // Upper greek, but Pi and Sigma
(0x3ca <= u && u <= 0x3fb) || // Coptic letters
(0x1f00 <= u && u <= 0x1ffe) || // Polytonic Greek Extended Character Set
(0x2100 <= u && u <= 0x214f); // Letter like block