diff options
Diffstat (limited to 'doc/ael.txt')
| -rw-r--r-- | doc/ael.txt | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/doc/ael.txt b/doc/ael.txt index 23d57b6bb..f72f2805b 100644 --- a/doc/ael.txt +++ b/doc/ael.txt @@ -13,7 +13,7 @@ functionality. AEL is really the merger of 4 different 'languages', or syntaxes: - * The first and most obvious is the AEL syntax itselft. A BNF is + * The first and most obvious is the AEL syntax itself. A BNF is provided near the end of this document. * The second syntax is the Expression Syntax, which is normally @@ -92,7 +92,7 @@ lines together. The extensions can also contain "goto" or "jump" commands to skip to extensions in other contexts. Conditionals provide the ability to -react to different stimiuli, and there you have it. +react to different stimuli, and there you have it. Macros ------ @@ -931,7 +931,7 @@ statements. It means the "first" statement in the extension. I would not advise trying to use numeric labels other than "1" in goto's or jumps, nor would I advise declaring a "1" label anywhere! As a matter of fact, it would be bad form to declare a numeric label, and it might -confllict with the priority numbers used internally by asterisk. +conflict with the priority numbers used internally by asterisk. The syntax of the jump statement is: jump extension[,priority][@context] If priority is absent, it defaults to @@ -1006,7 +1006,7 @@ macro std-exten( ext , dev ) { } -A macro is then called by preceeding the macro name with an +A macro is then called by preceding the macro name with an ampersand. Empty arguments can be passed simply with nothing between comments(0.11). @@ -1130,7 +1130,7 @@ These checks will be: Differences with the original version of AEL ============================================ - 1. The $[...] expressions have been enhanced to inlcude the ==, ||, + 1. The $[...] expressions have been enhanced to include the ==, ||, and && operators. These operators are exactly equivalent to the =, |, and & operators, respectively. Why? So the C, Java, C++ hackers feel at home here. @@ -1174,10 +1174,10 @@ Differences with the original version of AEL 13. Added the optional time spec to the contexts in the includes construct. See examples above. 14. You don't have to wrap a single "true" statement in curly - braces, as in the orignal AEL. An "else" is attached to the + braces, as in the original AEL. An "else" is attached to the closest if. As usual, be careful about nested if statements! When in doubt, use curlies! - 15. Added the syntax [regexten] [hint(channel)] to preceed an + 15. Added the syntax [regexten] [hint(channel)] to precede an extension declaration. See examples above, under "Extension". The regexten keyword will cause the priorities in the extension to begin with 2 instead of 1. The hint keyword @@ -1216,7 +1216,7 @@ Hints and Bugs trouble with the old way, is that, if x contains any spaces, then problems occur, usually syntax errors. It is better practice and safer wrap all such tests with double quotes! Also, there are now - some functions that can be used in a variable referenece, + some functions that can be used in a variable reference, ISNULL(), and LEN(), that can be used to test for an empty string: ${ISNULL(${x})} or $[ ${LEN(${x}) = 0 ]. |